mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 04:34:48 +00:00
308 lines
9 KiB
C++
308 lines
9 KiB
C++
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//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
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// Arcane-FX for MIT Licensed Open Source version of Torque 3D from GarageGames
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// Copyright (C) 2015 Faust Logic, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
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#include "afx/arcaneFX.h"
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#include "materials/shaderData.h"
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#include "gfx/gfxTransformSaver.h"
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#include "scene/sceneRenderState.h"
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#include "collision/concretePolyList.h"
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#include "T3D/tsStatic.h"
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#include "gfx/primBuilder.h"
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#include "afx/ce/afxZodiacMgr.h"
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#include "afx/afxZodiacMeshRoadRenderer_T3D.h"
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//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
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const RenderInstType afxZodiacMeshRoadRenderer::RIT_MeshRoadZodiac("MeshRoadZodiac");
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afxZodiacMeshRoadRenderer* afxZodiacMeshRoadRenderer::master = 0;
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IMPLEMENT_CONOBJECT(afxZodiacMeshRoadRenderer);
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ConsoleDocClass( afxZodiacMeshRoadRenderer,
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"@brief A render bin for zodiac rendering on MeshRoad objects.\n\n"
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"This bin renders instances of AFX zodiac effects onto MeshRoad surfaces.\n\n"
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"@ingroup RenderBin\n"
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"@ingroup AFX\n"
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);
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afxZodiacMeshRoadRenderer::afxZodiacMeshRoadRenderer()
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: RenderBinManager(RIT_MeshRoadZodiac, 1.0f, 1.0f)
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{
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if (!master)
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master = this;
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shader_initialized = false;
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zodiac_shader = NULL;
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shader_consts = NULL;
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projection_sc = NULL;
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color_sc = NULL;
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}
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afxZodiacMeshRoadRenderer::afxZodiacMeshRoadRenderer(F32 renderOrder, F32 processAddOrder)
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: RenderBinManager(RIT_MeshRoadZodiac, renderOrder, processAddOrder)
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{
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if (!master)
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master = this;
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shader_initialized = false;
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zodiac_shader = NULL;
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shader_consts = NULL;
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projection_sc = NULL;
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color_sc = NULL;
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}
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afxZodiacMeshRoadRenderer::~afxZodiacMeshRoadRenderer()
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{
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if (this == master)
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master = 0;
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}
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//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
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void afxZodiacMeshRoadRenderer::initShader()
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{
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if (shader_initialized)
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return;
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shader_initialized = true;
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shader_consts = 0;
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norm_norefl_zb_SB = norm_refl_zb_SB;
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add_norefl_zb_SB = add_refl_zb_SB;
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sub_norefl_zb_SB = sub_refl_zb_SB;
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zodiac_shader = afxZodiacMgr::getMeshRoadZodiacShader();
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if (!zodiac_shader)
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return;
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GFXStateBlockDesc d;
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d.cullDefined = true;
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d.blendDefined = true;
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d.blendEnable = true;
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d.setZReadWrite(true, false);
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d.zFunc = GFXCmpGreaterEqual;
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d.zSlopeBias = 0;
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d.alphaDefined = true;
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d.alphaTestEnable = true;
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d.alphaTestRef = 0;
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d.alphaTestFunc = GFXCmpGreater;
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d.samplersDefined = true;
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d.samplers[0] = GFXSamplerStateDesc::getClampLinear();
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// normal
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d.blendSrc = GFXBlendSrcAlpha;
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d.blendDest = GFXBlendInvSrcAlpha;
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//
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d.cullMode = GFXCullCCW;
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d.zBias = arcaneFX::sPolysoupZodiacZBias;
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norm_norefl_zb_SB = GFX->createStateBlock(d);
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//
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d.cullMode = GFXCullCW;
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d.zBias = arcaneFX::sPolysoupZodiacZBias;
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norm_refl_zb_SB = GFX->createStateBlock(d);
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// additive
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d.blendSrc = GFXBlendSrcAlpha;
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d.blendDest = GFXBlendOne;
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//
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d.cullMode = GFXCullCCW;
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d.zBias = arcaneFX::sPolysoupZodiacZBias;
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add_norefl_zb_SB = GFX->createStateBlock(d);
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//
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d.cullMode = GFXCullCW;
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d.zBias = arcaneFX::sPolysoupZodiacZBias;
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add_refl_zb_SB = GFX->createStateBlock(d);
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// subtractive
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d.blendSrc = GFXBlendZero;
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d.blendDest = GFXBlendInvSrcColor;
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//
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d.cullMode = GFXCullCCW;
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d.zBias = arcaneFX::sPolysoupZodiacZBias;
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sub_norefl_zb_SB = GFX->createStateBlock(d);
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//
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d.cullMode = GFXCullCW;
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d.zBias = arcaneFX::sPolysoupZodiacZBias;
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sub_refl_zb_SB = GFX->createStateBlock(d);
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shader_consts = zodiac_shader->getShader()->allocConstBuffer();
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projection_sc = zodiac_shader->getShader()->getShaderConstHandle("$modelView");
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color_sc = zodiac_shader->getShader()->getShaderConstHandle("$zodiacColor");
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}
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void afxZodiacMeshRoadRenderer::clear()
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{
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Parent::clear();
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for (S32 i = 0; i < meshRoad_zodiacs.size(); i++)
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if (meshRoad_zodiacs[i].polys)
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delete meshRoad_zodiacs[i].polys;
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meshRoad_zodiacs.clear();
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}
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void afxZodiacMeshRoadRenderer::addZodiac(U32 zode_idx, ConcretePolyList* polys, const Point3F& pos, F32 ang, const MeshRoad* road, F32 camDist)
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{
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meshRoad_zodiacs.increment();
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MeshRoadZodiacElem& elem = meshRoad_zodiacs.last();
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elem.road = road;
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elem.polys = polys;
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elem.zode_idx = zode_idx;
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elem.ang = ang;
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elem.camDist = camDist;
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}
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afxZodiacMeshRoadRenderer* afxZodiacMeshRoadRenderer::getMaster()
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{
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if (!master)
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master = new afxZodiacMeshRoadRenderer;
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return master;
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}
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//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
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GFXStateBlock* afxZodiacMeshRoadRenderer::chooseStateBlock(U32 blend, bool isReflectPass)
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{
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GFXStateBlock* sb = 0;
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switch (blend)
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{
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case afxZodiacData::BLEND_ADDITIVE:
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sb = (isReflectPass) ? add_refl_zb_SB : add_norefl_zb_SB;
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break;
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case afxZodiacData::BLEND_SUBTRACTIVE:
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sb = (isReflectPass) ? sub_refl_zb_SB : sub_norefl_zb_SB;
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break;
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default: // afxZodiacData::BLEND_NORMAL:
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sb = (isReflectPass) ? norm_refl_zb_SB : norm_norefl_zb_SB;
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break;
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}
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return sb;
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}
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void afxZodiacMeshRoadRenderer::render(SceneRenderState* state)
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{
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PROFILE_SCOPE(afxRenderZodiacMeshRoadMgr_render);
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// Early out if no ground-plane zodiacs to draw.
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if (meshRoad_zodiacs.size() == 0)
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return;
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initShader();
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if (!zodiac_shader)
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return;
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bool is_reflect_pass = state->isReflectPass();
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// Automagically save & restore our viewport and transforms.
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GFXTransformSaver saver;
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MatrixF proj = GFX->getProjectionMatrix();
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// Set up world transform
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MatrixF world = GFX->getWorldMatrix();
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proj.mul(world);
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shader_consts->set(projection_sc, proj);
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//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//
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// RENDER EACH ZODIAC
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//
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for (S32 zz = 0; zz < meshRoad_zodiacs.size(); zz++)
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{
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MeshRoadZodiacElem& elem = meshRoad_zodiacs[zz];
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afxZodiacMgr::ZodiacSpec* zode = &afxZodiacMgr::terr_zodes[elem.zode_idx];
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if (!zode)
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continue;
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if (is_reflect_pass)
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{
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if ((zode->zflags & afxZodiacData::SHOW_IN_REFLECTIONS) == 0)
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continue;
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}
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else
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{
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if ((zode->zflags & afxZodiacData::SHOW_IN_NON_REFLECTIONS) == 0)
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continue;
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}
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F32 fadebias = zode->calcDistanceFadeBias(elem.camDist);
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if (fadebias < 0.01f)
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continue;
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F32 cos_ang = mCos(elem.ang);
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F32 sin_ang = mSin(elem.ang);
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GFXStateBlock* sb = chooseStateBlock(zode->zflags & afxZodiacData::BLEND_MASK, is_reflect_pass);
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GFX->setShader(zodiac_shader->getShader());
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GFX->setStateBlock(sb);
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GFX->setShaderConstBuffer(shader_consts);
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// set the texture
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GFX->setTexture(0, zode->txr);
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LinearColorF zode_color = (LinearColorF)zode->color;
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zode_color.alpha *= fadebias;
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shader_consts->set(color_sc, zode_color);
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F32 inv_radius = 1.0f/zode->radius_xy;
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PrimBuild::begin(GFXTriangleList, 3*elem.polys->mPolyList.size());
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for (U32 i = 0; i < elem.polys->mPolyList.size(); i++)
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{
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ConcretePolyList::Poly* poly = &elem.polys->mPolyList[i];
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S32 vertind[3];
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vertind[0] = elem.polys->mIndexList[poly->vertexStart];
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vertind[1] = elem.polys->mIndexList[poly->vertexStart + 1];
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vertind[2] = elem.polys->mIndexList[poly->vertexStart + 2];
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for (U32 j = 0; j < 3; j++)
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{
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Point3F vtx = elem.polys->mVertexList[vertind[j]];
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// compute UV
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F32 u1 = (vtx.x - zode->pos.x)*inv_radius;
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F32 v1 = (vtx.y - zode->pos.y)*inv_radius;
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F32 ru1 = u1*cos_ang - v1*sin_ang;
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F32 rv1 = u1*sin_ang + v1*cos_ang;
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F32 uu = (ru1 + 1.0f)/2.0f;
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F32 vv = 1.0f - (rv1 + 1.0f)/2.0f;
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PrimBuild::texCoord2f(uu, vv);
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PrimBuild::vertex3fv(vtx);
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}
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}
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PrimBuild::end(false);
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}
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}
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//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
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