mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-07-11 14:44:36 +00:00
update bullet so it actually works
Moved the addSourceDirectory for physics/Bullet into the Engine/Source/CMakeLists.txt file that way it can actually appear where we expect it to in the solution explorer.
This commit is contained in:
marauder2k7
parent
c7be48130a
commit
13fa178cf6
5986 changed files with 1811270 additions and 453803 deletions
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@ -1,156 +1,325 @@
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#include "TinyRenderer.h"
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#include <vector>
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#include <limits>
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#include <cmath>
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#include <iostream>
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#include "tgaimage.h"
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#include "model.h"
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#include "geometry.h"
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#include "our_gl.h"
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#include "../Utils/b3ResourcePath.h"
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#include "Bullet3Common/b3MinMax.h"
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#include <limits>
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#include <vector>
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#include "../CommonInterfaces/CommonFileIOInterface.h"
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#include "../OpenGLWindow/ShapeData.h"
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#include "../Utils/b3BulletDefaultFileIO.h"
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#include "../Utils/b3ResourcePath.h"
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#include "Bullet3Common/b3Logging.h"
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#include "Bullet3Common/b3MinMax.h"
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#include "LinearMath/btAlignedObjectArray.h"
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#include "LinearMath/btVector3.h"
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#include "geometry.h"
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#include "model.h"
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#include "our_gl.h"
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#include "tgaimage.h"
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using namespace TinyRender;
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struct Shader : public IShader {
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Model* m_model;
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Vec3f m_light_dir_local;
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Matrix& m_modelMat;
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struct DepthShader : public IShader
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{
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Model* m_model;
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Matrix& m_modelMat;
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Matrix m_invModelMat;
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Matrix& m_modelView1;
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Matrix& m_projectionMatrix;
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Vec3f m_localScaling;
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Vec4f m_colorRGBA;
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Matrix& m_projectionMat;
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Vec3f m_localScaling;
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Matrix& m_lightModelView;
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float m_lightDistance;
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mat<2,3,float> varying_uv; // triangle uv coordinates, written by the vertex shader, read by the fragment shader
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mat<4,3,float> varying_tri; // triangle coordinates (clip coordinates), written by VS, read by FS
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mat<3,3,float> varying_nrm; // normal per vertex to be interpolated by FS
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//mat<3,3,float> ndc_tri; // triangle in normalized device coordinates
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mat<2, 3, float> varying_uv; // triangle uv coordinates, written by the vertex shader, read by the fragment shader
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mat<4, 3, float> varying_tri; // triangle coordinates (clip coordinates), written by VS, read by FS
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Shader(Model* model, Vec3f light_dir_local, Matrix& modelView, Matrix& projectionMatrix, Matrix& modelMat, Vec3f localScaling, const Vec4f& colorRGBA)
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:m_model(model),
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m_light_dir_local(light_dir_local),
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m_modelView1(modelView),
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m_projectionMatrix(projectionMatrix),
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m_modelMat(modelMat),
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m_localScaling(localScaling),
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m_colorRGBA(colorRGBA)
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{
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m_invModelMat = m_modelMat.invert_transpose();
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}
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mat<3, 3, float> varying_nrm; // normal per vertex to be interpolated by FS
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virtual Vec4f vertex(int iface, int nthvert) {
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Vec2f uv = m_model->uv(iface, nthvert);
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varying_uv.set_col(nthvert, uv);
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//varying_nrm.set_col(nthvert, proj<3>((m_projectionMatrix*m_modelView).invert_transpose()*embed<4>(m_model->normal(iface, nthvert), 0.f)));
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varying_nrm.set_col(nthvert, proj<3>(m_invModelMat*embed<4>(m_model->normal(iface, nthvert), 0.f)));
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//m_localNormal = m_model->normal(iface, nthvert);
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//varying_nrm.set_col(nthvert, m_model->normal(iface, nthvert));
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Vec3f unScaledVert = m_model->vert(iface, nthvert);
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DepthShader(Model* model, Matrix& lightModelView, Matrix& projectionMat, Matrix& modelMat, Vec3f localScaling, float lightDistance)
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: m_model(model),
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m_modelMat(modelMat),
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m_projectionMat(projectionMat),
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m_localScaling(localScaling),
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m_lightModelView(lightModelView),
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m_lightDistance(lightDistance)
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{
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m_nearPlane = m_projectionMat.col(3)[2] / (m_projectionMat.col(2)[2] - 1);
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m_farPlane = m_projectionMat.col(3)[2] / (m_projectionMat.col(2)[2] + 1);
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Vec3f scaledVert=Vec3f(unScaledVert[0]*m_localScaling[0],
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unScaledVert[1]*m_localScaling[1],
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unScaledVert[2]*m_localScaling[2]);
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m_invModelMat = m_modelMat.invert_transpose();
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}
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virtual Vec4f vertex(int iface, int nthvert)
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{
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Vec2f uv = m_model->uv(iface, nthvert);
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varying_uv.set_col(nthvert, uv);
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varying_nrm.set_col(nthvert, proj<3>(m_invModelMat * embed<4>(m_model->normal(iface, nthvert), 0.f)));
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Vec3f unScaledVert = m_model->vert(iface, nthvert);
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Vec3f scaledVert = Vec3f(unScaledVert[0] * m_localScaling[0],
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unScaledVert[1] * m_localScaling[1],
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unScaledVert[2] * m_localScaling[2]);
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Vec4f gl_Vertex = m_projectionMat * m_lightModelView * embed<4>(scaledVert);
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varying_tri.set_col(nthvert, gl_Vertex);
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return gl_Vertex;
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}
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Vec4f gl_Vertex = m_projectionMatrix*m_modelView1*embed<4>(scaledVert);
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varying_tri.set_col(nthvert, gl_Vertex);
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return gl_Vertex;
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}
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virtual bool fragment(Vec3f bar, TGAColor &color) {
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Vec3f bn = (varying_nrm*bar).normalize();
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Vec2f uv = varying_uv*bar;
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Vec3f reflection_direction = (bn * (bn * m_light_dir_local * 2.f) - m_light_dir_local).normalize();
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float specular = pow(b3Max(reflection_direction.z, 0.f), m_model->specular(uv));
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float diffuse = b3Max(0.f, bn * m_light_dir_local);
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float ambient_coefficient = 0.6;
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float diffuse_coefficient = 0.35;
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float specular_coefficient = 0.05;
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float intensity = ambient_coefficient + b3Min(diffuse * diffuse_coefficient + specular * specular_coefficient, 1.0f - ambient_coefficient);
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color = m_model->diffuse(uv) * intensity;
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//warning: bgra color is swapped to rgba to upload texture
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color.bgra[0] *= m_colorRGBA[0];
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color.bgra[1] *= m_colorRGBA[1];
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color.bgra[2] *= m_colorRGBA[2];
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color.bgra[3] *= m_colorRGBA[3];
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return false;
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}
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virtual bool fragment(Vec3f bar, TGAColor& color)
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{
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Vec4f p = varying_tri * bar;
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color = TGAColor(255, 255, 255) * (p[2] / m_lightDistance);
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return false;
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}
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};
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TinyRenderObjectData::TinyRenderObjectData(TGAImage& rgbColorBuffer,b3AlignedObjectArray<float>&depthBuffer)
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:m_rgbColorBuffer(rgbColorBuffer),
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m_depthBuffer(depthBuffer),
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m_segmentationMaskBufferPtr(0),
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m_model(0),
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m_userData(0),
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m_userIndex(-1),
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m_objectIndex(-1)
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struct Shader : public IShader
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{
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Vec3f eye(1,1,3);
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Vec3f center(0,0,0);
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Vec3f up(0,0,1);
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m_lightDirWorld.setValue(0,0,0);
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m_localScaling.setValue(1,1,1);
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m_modelMatrix = Matrix::identity();
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Model* m_model;
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Vec3f m_light_dir_local;
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Vec3f m_light_color;
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Matrix& m_modelMat;
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Matrix m_invModelMat;
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Matrix& m_modelView1;
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Matrix& m_projectionMat;
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Vec3f m_localScaling;
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Matrix& m_lightModelView;
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Vec4f m_colorRGBA;
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Matrix& m_viewportMat;
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Matrix m_projectionModelViewMat;
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Matrix m_projectionLightViewMat;
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float m_ambient_coefficient;
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float m_diffuse_coefficient;
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float m_specular_coefficient;
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b3AlignedObjectArray<float>* m_shadowBuffer;
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int m_width;
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int m_height;
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int m_index;
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mat<2, 3, float> varying_uv; // triangle uv coordinates, written by the vertex shader, read by the fragment shader
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mat<4, 3, float> varying_tri; // triangle coordinates (clip coordinates), written by VS, read by FS
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mat<4, 3, float> varying_tri_light_view;
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mat<3, 3, float> varying_nrm; // normal per vertex to be interpolated by FS
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mat<4, 3, float> world_tri; // model triangle coordinates in the world space used for backface culling, written by VS
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Shader(Model* model, Vec3f light_dir_local, Vec3f light_color, Matrix& modelView, Matrix& lightModelView, Matrix& projectionMat, Matrix& modelMat, Matrix& viewportMat, Vec3f localScaling, const Vec4f& colorRGBA, int width, int height, b3AlignedObjectArray<float>* shadowBuffer, float ambient_coefficient = 0.6, float diffuse_coefficient = 0.35, float specular_coefficient = 0.05)
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: m_model(model),
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m_light_dir_local(light_dir_local),
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m_light_color(light_color),
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m_modelMat(modelMat),
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m_modelView1(modelView),
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m_projectionMat(projectionMat),
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m_localScaling(localScaling),
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m_lightModelView(lightModelView),
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m_colorRGBA(colorRGBA),
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m_viewportMat(viewportMat),
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m_ambient_coefficient(ambient_coefficient),
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m_diffuse_coefficient(diffuse_coefficient),
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m_specular_coefficient(specular_coefficient),
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m_shadowBuffer(shadowBuffer),
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m_width(width),
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m_height(height)
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{
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m_nearPlane = m_projectionMat.col(3)[2] / (m_projectionMat.col(2)[2] - 1);
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m_farPlane = m_projectionMat.col(3)[2] / (m_projectionMat.col(2)[2] + 1);
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//printf("near=%f, far=%f\n", m_nearPlane, m_farPlane);
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m_invModelMat = m_modelMat.invert_transpose();
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m_projectionModelViewMat = m_projectionMat * m_modelView1;
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m_projectionLightViewMat = m_projectionMat * m_lightModelView;
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}
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virtual Vec4f vertex(int iface, int nthvert)
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{
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//B3_PROFILE("vertex");
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Vec2f uv = m_model->uv(iface, nthvert);
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varying_uv.set_col(nthvert, uv);
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varying_nrm.set_col(nthvert, proj<3>(m_invModelMat * embed<4>(m_model->normal(iface, nthvert), 0.f)));
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Vec3f unScaledVert = m_model->vert(iface, nthvert);
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Vec3f scaledVert = Vec3f(unScaledVert[0] * m_localScaling[0],
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unScaledVert[1] * m_localScaling[1],
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unScaledVert[2] * m_localScaling[2]);
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Vec4f gl_Vertex = m_projectionModelViewMat * embed<4>(scaledVert);
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varying_tri.set_col(nthvert, gl_Vertex);
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Vec4f world_Vertex = m_modelMat * embed<4>(scaledVert);
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world_tri.set_col(nthvert, world_Vertex);
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Vec4f gl_VertexLightView = m_projectionLightViewMat * embed<4>(scaledVert);
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varying_tri_light_view.set_col(nthvert, gl_VertexLightView);
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return gl_Vertex;
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}
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virtual bool fragment(Vec3f bar, TGAColor& color)
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{
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//B3_PROFILE("fragment");
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Vec4f p = m_viewportMat * (varying_tri_light_view * bar);
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float depth = p[2];
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p = p / p[3];
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float index_x = b3Max(float(0.0), b3Min(float(m_width - 1), p[0]));
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float index_y = b3Max(float(0.0), b3Min(float(m_height - 1), p[1]));
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int idx = int(index_x) + int(index_y) * m_width; // index in the shadowbuffer array
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float shadow = 1.0;
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if (m_shadowBuffer && idx >=0 && idx <m_shadowBuffer->size())
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{
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shadow = 0.8 + 0.2 * (m_shadowBuffer->at(idx) < -depth + 0.05); // magic coeff to avoid z-fighting
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}
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Vec3f bn = (varying_nrm * bar).normalize();
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Vec2f uv = varying_uv * bar;
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Vec3f reflection_direction = (bn * (bn * m_light_dir_local * 2.f) - m_light_dir_local).normalize();
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float specular = std::pow(b3Max(reflection_direction.z, 0.f),
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m_model->specular(uv));
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float diffuse = b3Max(0.f, bn * m_light_dir_local);
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color = m_model->diffuse(uv);
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color[0] *= m_colorRGBA[0];
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color[1] *= m_colorRGBA[1];
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color[2] *= m_colorRGBA[2];
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color[3] *= m_colorRGBA[3];
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for (int i = 0; i < 3; ++i)
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{
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int orgColor = 0;
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float floatColor = (m_ambient_coefficient * color[i] + shadow * (m_diffuse_coefficient * diffuse + m_specular_coefficient * specular) * color[i] * m_light_color[i]);
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if (floatColor==floatColor)
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{
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orgColor=int(floatColor);
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}
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color[i] = b3Min(orgColor, 255);
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}
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return false;
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}
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};
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TinyRenderObjectData::TinyRenderObjectData(TGAImage& rgbColorBuffer, b3AlignedObjectArray<float>& depthBuffer, b3AlignedObjectArray<float>* shadowBuffer)
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: m_model(0),
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m_rgbColorBuffer(rgbColorBuffer),
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m_depthBuffer(depthBuffer),
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m_shadowBuffer(shadowBuffer),
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m_segmentationMaskBufferPtr(0),
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m_userData(0),
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m_userIndex(-1),
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m_objectIndex(-1),
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m_doubleSided(false)
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{
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Vec3f eye(1, 1, 3);
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Vec3f center(0, 0, 0);
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Vec3f up(0, 0, 1);
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m_lightDirWorld.setValue(0, 0, 0);
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m_lightColor.setValue(1, 1, 1);
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m_localScaling.setValue(1, 1, 1);
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m_modelMatrix = Matrix::identity();
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m_lightAmbientCoeff = 0.6;
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m_lightDiffuseCoeff = 0.35;
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m_lightSpecularCoeff = 0.05;
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}
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TinyRenderObjectData::TinyRenderObjectData(TGAImage& rgbColorBuffer,b3AlignedObjectArray<float>&depthBuffer, b3AlignedObjectArray<int>* segmentationMaskBuffer, int objectIndex)
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:m_rgbColorBuffer(rgbColorBuffer),
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m_depthBuffer(depthBuffer),
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m_segmentationMaskBufferPtr(segmentationMaskBuffer),
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m_model(0),
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m_userData(0),
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m_userIndex(-1),
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m_objectIndex(objectIndex)
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TinyRenderObjectData::TinyRenderObjectData(TGAImage& rgbColorBuffer, b3AlignedObjectArray<float>& depthBuffer, b3AlignedObjectArray<float>* shadowBuffer, b3AlignedObjectArray<int>* segmentationMaskBuffer, int objectIndex, int linkIndex)
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: m_model(0),
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m_rgbColorBuffer(rgbColorBuffer),
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m_depthBuffer(depthBuffer),
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m_shadowBuffer(shadowBuffer),
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m_segmentationMaskBufferPtr(segmentationMaskBuffer),
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m_userData(0),
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m_userIndex(-1),
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m_objectIndex(objectIndex),
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m_linkIndex(linkIndex),
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m_doubleSided(false)
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{
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Vec3f eye(1,1,3);
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Vec3f center(0,0,0);
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Vec3f up(0,0,1);
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m_lightDirWorld.setValue(0,0,0);
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m_localScaling.setValue(1,1,1);
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m_modelMatrix = Matrix::identity();
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Vec3f eye(1, 1, 3);
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Vec3f center(0, 0, 0);
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Vec3f up(0, 0, 1);
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m_lightDirWorld.setValue(0, 0, 0);
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m_lightColor.setValue(1, 1, 1);
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m_localScaling.setValue(1, 1, 1);
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m_modelMatrix = Matrix::identity();
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m_lightAmbientCoeff = 0.6;
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m_lightDiffuseCoeff = 0.35;
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m_lightSpecularCoeff = 0.05;
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}
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void TinyRenderObjectData::loadModel(const char* fileName)
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TinyRenderObjectData::TinyRenderObjectData(TGAImage& rgbColorBuffer, b3AlignedObjectArray<float>& depthBuffer)
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: m_model(0),
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m_rgbColorBuffer(rgbColorBuffer),
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m_depthBuffer(depthBuffer),
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m_shadowBuffer(0),
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m_segmentationMaskBufferPtr(0),
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m_userData(0),
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m_userIndex(-1),
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m_objectIndex(-1),
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m_doubleSided(false)
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{
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//todo(erwincoumans) move the file loading out of here
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char relativeFileName[1024];
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if (!b3ResourcePath::findResourcePath(fileName, relativeFileName, 1024))
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{
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printf("Cannot find file %s\n", fileName);
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} else
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{
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m_model = new Model(relativeFileName);
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}
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Vec3f eye(1, 1, 3);
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Vec3f center(0, 0, 0);
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Vec3f up(0, 0, 1);
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m_lightDirWorld.setValue(0, 0, 0);
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m_lightDistance = 10;
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m_lightColor.setValue(1, 1, 1);
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m_localScaling.setValue(1, 1, 1);
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m_modelMatrix = Matrix::identity();
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m_lightAmbientCoeff = 0.6;
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m_lightDiffuseCoeff = 0.35;
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m_lightSpecularCoeff = 0.05;
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}
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void TinyRenderObjectData::registerMeshShape(const float* vertices, int numVertices,const int* indices, int numIndices, const float rgbaColor[4],
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unsigned char* textureImage, int textureWidth, int textureHeight)
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TinyRenderObjectData::TinyRenderObjectData(TGAImage& rgbColorBuffer, b3AlignedObjectArray<float>& depthBuffer, b3AlignedObjectArray<int>* segmentationMaskBuffer, int objectIndex)
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: m_model(0),
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m_rgbColorBuffer(rgbColorBuffer),
|
||||
m_depthBuffer(depthBuffer),
|
||||
m_shadowBuffer(0),
|
||||
m_segmentationMaskBufferPtr(segmentationMaskBuffer),
|
||||
m_userData(0),
|
||||
m_userIndex(-1),
|
||||
m_objectIndex(objectIndex),
|
||||
m_doubleSided(false)
|
||||
{
|
||||
if (0==m_model)
|
||||
{
|
||||
m_model = new Model();
|
||||
m_model->setColorRGBA(rgbaColor);
|
||||
Vec3f eye(1, 1, 3);
|
||||
Vec3f center(0, 0, 0);
|
||||
Vec3f up(0, 0, 1);
|
||||
m_lightDirWorld.setValue(0, 0, 0);
|
||||
m_lightColor.setValue(1, 1, 1);
|
||||
m_localScaling.setValue(1, 1, 1);
|
||||
m_modelMatrix = Matrix::identity();
|
||||
m_lightAmbientCoeff = 0.6;
|
||||
m_lightDiffuseCoeff = 0.35;
|
||||
m_lightSpecularCoeff = 0.05;
|
||||
}
|
||||
|
||||
void TinyRenderObjectData::loadModel(const char* fileName, CommonFileIOInterface* fileIO)
|
||||
{
|
||||
//todo(erwincoumans) move the file loading out of here
|
||||
char relativeFileName[1024];
|
||||
if (!fileIO->findResourcePath(fileName, relativeFileName, 1024))
|
||||
{
|
||||
printf("Cannot find file %s\n", fileName);
|
||||
}
|
||||
else
|
||||
{
|
||||
m_model = new Model(relativeFileName);
|
||||
}
|
||||
}
|
||||
|
||||
void TinyRenderObjectData::registerMeshShape(const float* vertices, int numVertices, const int* indices, int numIndices, const float rgbaColor[4],
|
||||
unsigned char* textureImage, int textureWidth, int textureHeight)
|
||||
{
|
||||
if (0 == m_model)
|
||||
{
|
||||
{
|
||||
B3_PROFILE("setColorRGBA");
|
||||
|
||||
m_model = new Model();
|
||||
m_model->setColorRGBA(rgbaColor);
|
||||
}
|
||||
if (textureImage)
|
||||
{
|
||||
m_model->setDiffuseTextureFromData(textureImage,textureWidth,textureHeight);
|
||||
} else
|
||||
{
|
||||
B3_PROFILE("setDiffuseTextureFromData");
|
||||
m_model->setDiffuseTextureFromData(textureImage, textureWidth, textureHeight);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/*char relativeFileName[1024];
|
||||
if (b3ResourcePath::findResourcePath("floor_diffuse.tga", relativeFileName, 1024))
|
||||
|
|
@ -159,137 +328,329 @@ void TinyRenderObjectData::registerMeshShape(const float* vertices, int numVerti
|
|||
}
|
||||
*/
|
||||
}
|
||||
|
||||
m_model->reserveMemory(numVertices,numIndices);
|
||||
for (int i=0;i<numVertices;i++)
|
||||
{
|
||||
m_model->addVertex(vertices[i*9],
|
||||
vertices[i*9+1],
|
||||
vertices[i*9+2],
|
||||
vertices[i*9+4],
|
||||
vertices[i*9+5],
|
||||
vertices[i*9+6],
|
||||
vertices[i*9+7],
|
||||
vertices[i*9+8]);
|
||||
}
|
||||
for (int i=0;i<numIndices;i+=3)
|
||||
{
|
||||
m_model->addTriangle(indices[i],indices[i],indices[i],
|
||||
indices[i+1],indices[i+1],indices[i+1],
|
||||
indices[i+2],indices[i+2],indices[i+2]);
|
||||
}
|
||||
}
|
||||
{
|
||||
B3_PROFILE("reserveMemory");
|
||||
m_model->reserveMemory(numVertices, numIndices);
|
||||
}
|
||||
{
|
||||
B3_PROFILE("addVertex");
|
||||
for (int i = 0; i < numVertices; i++)
|
||||
{
|
||||
m_model->addVertex(vertices[i * 9],
|
||||
vertices[i * 9 + 1],
|
||||
vertices[i * 9 + 2],
|
||||
vertices[i * 9 + 4],
|
||||
vertices[i * 9 + 5],
|
||||
vertices[i * 9 + 6],
|
||||
vertices[i * 9 + 7],
|
||||
vertices[i * 9 + 8]);
|
||||
}
|
||||
}
|
||||
{
|
||||
B3_PROFILE("addTriangle");
|
||||
for (int i = 0; i < numIndices; i += 3)
|
||||
{
|
||||
m_model->addTriangle(indices[i], indices[i], indices[i],
|
||||
indices[i + 1], indices[i + 1], indices[i + 1],
|
||||
indices[i + 2], indices[i + 2], indices[i + 2]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void TinyRenderObjectData::registerMesh2(btAlignedObjectArray<btVector3>& vertices, btAlignedObjectArray<btVector3>& normals,btAlignedObjectArray<int>& indices)
|
||||
void TinyRenderObjectData::registerMesh2(btAlignedObjectArray<btVector3>& vertices, btAlignedObjectArray<btVector3>& normals, btAlignedObjectArray<int>& indices, CommonFileIOInterface* fileIO)
|
||||
{
|
||||
if (0==m_model)
|
||||
{
|
||||
if (0 == m_model)
|
||||
{
|
||||
int numVertices = vertices.size();
|
||||
int numIndices = indices.size();
|
||||
|
||||
m_model = new Model();
|
||||
m_model = new Model();
|
||||
char relativeFileName[1024];
|
||||
if (b3ResourcePath::findResourcePath("floor_diffuse.tga", relativeFileName, 1024))
|
||||
if (fileIO->findResourcePath("floor_diffuse.tga", relativeFileName, 1024))
|
||||
{
|
||||
m_model->loadDiffuseTexture(relativeFileName);
|
||||
}
|
||||
|
||||
for (int i=0;i<numVertices;i++)
|
||||
{
|
||||
m_model->addVertex(vertices[i].x(),
|
||||
vertices[i].y(),
|
||||
vertices[i].z(),
|
||||
normals[i].x(),
|
||||
normals[i].y(),
|
||||
normals[i].z(),
|
||||
0.5,0.5);
|
||||
}
|
||||
for (int i=0;i<numIndices;i+=3)
|
||||
{
|
||||
m_model->addTriangle(indices[i],indices[i],indices[i],
|
||||
indices[i+1],indices[i+1],indices[i+1],
|
||||
indices[i+2],indices[i+2],indices[i+2]);
|
||||
}
|
||||
}
|
||||
|
||||
for (int i = 0; i < numVertices; i++)
|
||||
{
|
||||
m_model->addVertex(vertices[i].x(),
|
||||
vertices[i].y(),
|
||||
vertices[i].z(),
|
||||
normals[i].x(),
|
||||
normals[i].y(),
|
||||
normals[i].z(),
|
||||
0.5, 0.5);
|
||||
}
|
||||
for (int i = 0; i < numIndices; i += 3)
|
||||
{
|
||||
m_model->addTriangle(indices[i], indices[i], indices[i],
|
||||
indices[i + 1], indices[i + 1], indices[i + 1],
|
||||
indices[i + 2], indices[i + 2], indices[i + 2]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void TinyRenderObjectData::createCube(float halfExtentsX,float halfExtentsY,float halfExtentsZ)
|
||||
void TinyRenderObjectData::createCube(float halfExtentsX, float halfExtentsY, float halfExtentsZ, CommonFileIOInterface* fileIO)
|
||||
{
|
||||
m_model = new Model();
|
||||
|
||||
char relativeFileName[1024];
|
||||
if (b3ResourcePath::findResourcePath("floor_diffuse.tga", relativeFileName, 1024))
|
||||
{
|
||||
m_model->loadDiffuseTexture(relativeFileName);
|
||||
}
|
||||
|
||||
b3BulletDefaultFileIO defaultFileIO;
|
||||
|
||||
int strideInBytes = 9*sizeof(float);
|
||||
int numVertices = sizeof(cube_vertices_textured)/strideInBytes;
|
||||
int numIndices = sizeof(cube_indices)/sizeof(int);
|
||||
|
||||
for (int i=0;i<numVertices;i++)
|
||||
if (fileIO==0)
|
||||
{
|
||||
m_model->addVertex(halfExtentsX*cube_vertices_textured[i*9],
|
||||
halfExtentsY*cube_vertices_textured[i*9+1],
|
||||
halfExtentsY*cube_vertices_textured[i*9+2],
|
||||
cube_vertices_textured[i*9+4],
|
||||
cube_vertices_textured[i*9+5],
|
||||
cube_vertices_textured[i*9+6],
|
||||
cube_vertices_textured[i*9+7],
|
||||
cube_vertices_textured[i*9+8]);
|
||||
fileIO = &defaultFileIO;
|
||||
}
|
||||
m_model = new Model();
|
||||
|
||||
char relativeFileName[1024];
|
||||
if (fileIO->findResourcePath("floor_diffuse.tga", relativeFileName, 1024))
|
||||
{
|
||||
m_model->loadDiffuseTexture(relativeFileName);
|
||||
}
|
||||
|
||||
int strideInBytes = 9 * sizeof(float);
|
||||
int numVertices = sizeof(cube_vertices_textured) / strideInBytes;
|
||||
int numIndices = sizeof(cube_indices) / sizeof(int);
|
||||
|
||||
for (int i = 0; i < numVertices; i++)
|
||||
{
|
||||
m_model->addVertex(halfExtentsX * cube_vertices_textured[i * 9],
|
||||
halfExtentsY * cube_vertices_textured[i * 9 + 1],
|
||||
halfExtentsZ * cube_vertices_textured[i * 9 + 2],
|
||||
cube_vertices_textured[i * 9 + 4],
|
||||
cube_vertices_textured[i * 9 + 5],
|
||||
cube_vertices_textured[i * 9 + 6],
|
||||
cube_vertices_textured[i * 9 + 7],
|
||||
cube_vertices_textured[i * 9 + 8]);
|
||||
}
|
||||
for (int i = 0; i < numIndices; i += 3)
|
||||
{
|
||||
m_model->addTriangle(cube_indices[i], cube_indices[i], cube_indices[i],
|
||||
cube_indices[i + 1], cube_indices[i + 1], cube_indices[i + 1],
|
||||
cube_indices[i + 2], cube_indices[i + 2], cube_indices[i + 2]);
|
||||
}
|
||||
for (int i=0;i<numIndices;i+=3)
|
||||
{
|
||||
m_model->addTriangle(cube_indices[i],cube_indices[i],cube_indices[i],
|
||||
cube_indices[i+1],cube_indices[i+1],cube_indices[i+1],
|
||||
cube_indices[i+2],cube_indices[i+2],cube_indices[i+2]);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
TinyRenderObjectData::~TinyRenderObjectData()
|
||||
{
|
||||
delete m_model;
|
||||
delete m_model;
|
||||
}
|
||||
|
||||
static bool equals(const Vec4f& vA, const Vec4f& vB)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
static void clipEdge(const mat<4, 3, float>& triangleIn, int vertexIndexA, int vertexIndexB, b3AlignedObjectArray<Vec4f>& vertices)
|
||||
{
|
||||
Vec4f v0New = triangleIn.col(vertexIndexA);
|
||||
Vec4f v1New = triangleIn.col(vertexIndexB);
|
||||
|
||||
bool v0Inside = v0New[3] > 0.f && v0New[2] > -v0New[3];
|
||||
bool v1Inside = v1New[3] > 0.f && v1New[2] > -v1New[3];
|
||||
|
||||
if (v0Inside && v1Inside)
|
||||
{
|
||||
}
|
||||
else if (v0Inside || v1Inside)
|
||||
{
|
||||
float d0 = v0New[2] + v0New[3];
|
||||
float d1 = v1New[2] + v1New[3];
|
||||
float factor = 1.0 / (d1 - d0);
|
||||
Vec4f newVertex = (v0New * d1 - v1New * d0) * factor;
|
||||
if (v0Inside)
|
||||
{
|
||||
v1New = newVertex;
|
||||
}
|
||||
else
|
||||
{
|
||||
v0New = newVertex;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
if (vertices.size() == 0 || !(equals(vertices[vertices.size() - 1], v0New)))
|
||||
{
|
||||
vertices.push_back(v0New);
|
||||
}
|
||||
|
||||
vertices.push_back(v1New);
|
||||
}
|
||||
|
||||
static bool clipTriangleAgainstNearplane(const mat<4, 3, float>& triangleIn, b3AlignedObjectArray<mat<4, 3, float> >& clippedTrianglesOut)
|
||||
{
|
||||
//discard triangle if all vertices are behind near-plane
|
||||
if (triangleIn[3][0] < 0 && triangleIn[3][1] < 0 && triangleIn[3][2] < 0)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
//accept triangle if all vertices are in front of the near-plane
|
||||
if (triangleIn[3][0] >= 0 && triangleIn[3][1] >= 0 && triangleIn[3][2] >= 0)
|
||||
{
|
||||
clippedTrianglesOut.push_back(triangleIn);
|
||||
return false;
|
||||
}
|
||||
|
||||
Vec4f vtxCache[5];
|
||||
|
||||
b3AlignedObjectArray<Vec4f> vertices;
|
||||
vertices.initializeFromBuffer(vtxCache, 0, 5);
|
||||
clipEdge(triangleIn, 0, 1, vertices);
|
||||
clipEdge(triangleIn, 1, 2, vertices);
|
||||
clipEdge(triangleIn, 2, 0, vertices);
|
||||
|
||||
if (vertices.size() < 3)
|
||||
return true;
|
||||
|
||||
if (equals(vertices[0], vertices[vertices.size() - 1]))
|
||||
{
|
||||
vertices.pop_back();
|
||||
}
|
||||
|
||||
//create a fan of triangles
|
||||
for (int i = 1; i < vertices.size() - 1; i++)
|
||||
{
|
||||
mat<4, 3, float>& vtx = clippedTrianglesOut.expand();
|
||||
vtx.set_col(0, vertices[0]);
|
||||
vtx.set_col(1, vertices[i]);
|
||||
vtx.set_col(2, vertices[i + 1]);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
void TinyRenderer::renderObject(TinyRenderObjectData& renderData)
|
||||
{
|
||||
B3_PROFILE("renderObject");
|
||||
int width = renderData.m_rgbColorBuffer.get_width();
|
||||
int height = renderData.m_rgbColorBuffer.get_height();
|
||||
|
||||
Vec3f light_dir_local = Vec3f(renderData.m_lightDirWorld[0],renderData.m_lightDirWorld[1],renderData.m_lightDirWorld[2]);
|
||||
Model* model = renderData.m_model;
|
||||
if (0==model)
|
||||
return;
|
||||
|
||||
|
||||
Vec3f light_dir_local = Vec3f(renderData.m_lightDirWorld[0], renderData.m_lightDirWorld[1], renderData.m_lightDirWorld[2]);
|
||||
Vec3f light_color = Vec3f(renderData.m_lightColor[0], renderData.m_lightColor[1], renderData.m_lightColor[2]);
|
||||
float light_distance = renderData.m_lightDistance;
|
||||
Model* model = renderData.m_model;
|
||||
if (0 == model)
|
||||
return;
|
||||
//discard invisible objects (zero alpha)
|
||||
if (model->getColorRGBA()[3] == 0)
|
||||
return;
|
||||
|
||||
renderData.m_viewportMatrix = viewport(0,0,width, height);
|
||||
|
||||
b3AlignedObjectArray<float>& zbuffer = renderData.m_depthBuffer;
|
||||
int* segmentationMaskBufferPtr = (renderData.m_segmentationMaskBufferPtr && renderData.m_segmentationMaskBufferPtr->size())?&renderData.m_segmentationMaskBufferPtr->at(0):0;
|
||||
|
||||
TGAImage& frame = renderData.m_rgbColorBuffer;
|
||||
renderData.m_viewportMatrix = viewport(0, 0, width, height);
|
||||
|
||||
|
||||
b3AlignedObjectArray<float>& zbuffer = renderData.m_depthBuffer;
|
||||
b3AlignedObjectArray<float>* shadowBufferPtr = renderData.m_shadowBuffer;
|
||||
int* segmentationMaskBufferPtr = (renderData.m_segmentationMaskBufferPtr && renderData.m_segmentationMaskBufferPtr->size()) ? &renderData.m_segmentationMaskBufferPtr->at(0) : 0;
|
||||
|
||||
TGAImage& frame = renderData.m_rgbColorBuffer;
|
||||
|
||||
{
|
||||
// light target is set to be the origin, and the up direction is set to be vertical up.
|
||||
Matrix lightViewMatrix = lookat(light_dir_local * light_distance, Vec3f(0.0, 0.0, 0.0), Vec3f(0.0, 0.0, 1.0));
|
||||
Matrix lightModelViewMatrix = lightViewMatrix * renderData.m_modelMatrix;
|
||||
Matrix modelViewMatrix = renderData.m_viewMatrix * renderData.m_modelMatrix;
|
||||
Vec3f localScaling(renderData.m_localScaling[0], renderData.m_localScaling[1], renderData.m_localScaling[2]);
|
||||
Matrix viewMatrixInv = renderData.m_viewMatrix.invert();
|
||||
btVector3 P(viewMatrixInv[0][3], viewMatrixInv[1][3], viewMatrixInv[2][3]);
|
||||
|
||||
Shader shader(model, light_dir_local, light_color, modelViewMatrix, lightModelViewMatrix, renderData.m_projectionMatrix, renderData.m_modelMatrix, renderData.m_viewportMatrix, localScaling, model->getColorRGBA(), width, height, shadowBufferPtr, renderData.m_lightAmbientCoeff, renderData.m_lightDiffuseCoeff, renderData.m_lightSpecularCoeff);
|
||||
|
||||
{
|
||||
Matrix modelViewMatrix = renderData.m_viewMatrix*renderData.m_modelMatrix;
|
||||
Vec3f localScaling(renderData.m_localScaling[0],renderData.m_localScaling[1],renderData.m_localScaling[2]);
|
||||
Shader shader(model, light_dir_local, modelViewMatrix, renderData.m_projectionMatrix,renderData.m_modelMatrix, localScaling, model->getColorRGBA());
|
||||
|
||||
//printf("Render %d triangles.\n",model->nfaces());
|
||||
for (int i=0; i<model->nfaces(); i++)
|
||||
{
|
||||
|
||||
for (int j=0; j<3; j++) {
|
||||
shader.vertex(i, j);
|
||||
}
|
||||
triangle(shader.varying_tri, shader, frame, &zbuffer[0], segmentationMaskBufferPtr, renderData.m_viewportMatrix, renderData.m_objectIndex);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
B3_PROFILE("face");
|
||||
|
||||
for (int i = 0; i < model->nfaces(); i++)
|
||||
{
|
||||
for (int j = 0; j < 3; j++)
|
||||
{
|
||||
shader.vertex(i, j);
|
||||
}
|
||||
|
||||
if (!renderData.m_doubleSided)
|
||||
{
|
||||
// backface culling
|
||||
btVector3 v0(shader.world_tri.col(0)[0], shader.world_tri.col(0)[1], shader.world_tri.col(0)[2]);
|
||||
btVector3 v1(shader.world_tri.col(1)[0], shader.world_tri.col(1)[1], shader.world_tri.col(1)[2]);
|
||||
btVector3 v2(shader.world_tri.col(2)[0], shader.world_tri.col(2)[1], shader.world_tri.col(2)[2]);
|
||||
btVector3 N = (v1 - v0).cross(v2 - v0);
|
||||
if ((v0 - P).dot(N) >= 0)
|
||||
continue;
|
||||
}
|
||||
|
||||
mat<4, 3, float> stackTris[3];
|
||||
|
||||
b3AlignedObjectArray<mat<4, 3, float> > clippedTriangles;
|
||||
clippedTriangles.initializeFromBuffer(stackTris, 0, 3);
|
||||
|
||||
bool hasClipped = clipTriangleAgainstNearplane(shader.varying_tri, clippedTriangles);
|
||||
|
||||
if (hasClipped)
|
||||
{
|
||||
for (int t = 0; t < clippedTriangles.size(); t++)
|
||||
{
|
||||
triangleClipped(clippedTriangles[t], shader.varying_tri, shader, frame, &zbuffer[0], segmentationMaskBufferPtr, renderData.m_viewportMatrix, renderData.m_objectIndex + ((renderData.m_linkIndex + 1) << 24));
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
triangle(shader.varying_tri, shader, frame, &zbuffer[0], segmentationMaskBufferPtr, renderData.m_viewportMatrix, renderData.m_objectIndex + ((renderData.m_linkIndex + 1) << 24));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void TinyRenderer::renderObjectDepth(TinyRenderObjectData& renderData)
|
||||
{
|
||||
int width = renderData.m_rgbColorBuffer.get_width();
|
||||
int height = renderData.m_rgbColorBuffer.get_height();
|
||||
|
||||
Vec3f light_dir_local = Vec3f(renderData.m_lightDirWorld[0], renderData.m_lightDirWorld[1], renderData.m_lightDirWorld[2]);
|
||||
float light_distance = renderData.m_lightDistance;
|
||||
Model* model = renderData.m_model;
|
||||
if (0 == model)
|
||||
return;
|
||||
|
||||
renderData.m_viewportMatrix = viewport(0, 0, width, height);
|
||||
|
||||
float* shadowBufferPtr = (renderData.m_shadowBuffer && renderData.m_shadowBuffer->size()) ? &renderData.m_shadowBuffer->at(0) : 0;
|
||||
int* segmentationMaskBufferPtr = 0;
|
||||
|
||||
TGAImage depthFrame(width, height, TGAImage::RGB);
|
||||
|
||||
{
|
||||
// light target is set to be the origin, and the up direction is set to be vertical up.
|
||||
Matrix lightViewMatrix = lookat(light_dir_local * light_distance, Vec3f(0.0, 0.0, 0.0), Vec3f(0.0, 0.0, 1.0));
|
||||
Matrix lightModelViewMatrix = lightViewMatrix * renderData.m_modelMatrix;
|
||||
Matrix lightViewProjectionMatrix = renderData.m_projectionMatrix;
|
||||
Vec3f localScaling(renderData.m_localScaling[0], renderData.m_localScaling[1], renderData.m_localScaling[2]);
|
||||
|
||||
DepthShader shader(model, lightModelViewMatrix, lightViewProjectionMatrix, renderData.m_modelMatrix, localScaling, light_distance);
|
||||
for (int i = 0; i < model->nfaces(); i++)
|
||||
{
|
||||
for (int j = 0; j < 3; j++)
|
||||
{
|
||||
shader.vertex(i, j);
|
||||
}
|
||||
|
||||
mat<4, 3, float> stackTris[3];
|
||||
|
||||
b3AlignedObjectArray<mat<4, 3, float> > clippedTriangles;
|
||||
clippedTriangles.initializeFromBuffer(stackTris, 0, 3);
|
||||
|
||||
bool hasClipped = clipTriangleAgainstNearplane(shader.varying_tri, clippedTriangles);
|
||||
|
||||
if (hasClipped)
|
||||
{
|
||||
for (int t = 0; t < clippedTriangles.size(); t++)
|
||||
{
|
||||
triangleClipped(clippedTriangles[t], shader.varying_tri, shader, depthFrame, shadowBufferPtr, segmentationMaskBufferPtr, renderData.m_viewportMatrix, renderData.m_objectIndex);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
triangle(shader.varying_tri, shader, depthFrame, shadowBufferPtr, segmentationMaskBufferPtr, renderData.m_viewportMatrix, renderData.m_objectIndex);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue