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188 | #include "fsCNativeTexturedMeshRenderData.h"
#include <algorithm>
#include <cstdint>
#include <fsCore/fsAffineMtx2d.h>
#include <renderer/Texture2D.h>
#include <renderer/backend/Enums.h>
#include "../fsCTexture.h"
#include "../../../src/fsCBrush.h"
#include "../../../src/fsCMaterial.h"
void fsAxmolNodeVisit(ax::Node* pNode, const ax::Mat4& pRenderMatrix, std::uint32_t pFlags);
namespace
{
fsU8 colourChannelMultiply(fsU8 pVertexChannel, fsU8 pTintChannel)
{
return static_cast<fsU8>(
(static_cast<fsU16>(pVertexChannel) * pTintChannel) / 255);
}
}
fsIRenderData* fsCNativeTexturedMeshRenderData::create()
{
return new fsCNativeTexturedMeshRenderData();
}
void fsCNativeTexturedMeshRenderData::passToEngineRendererDo(
fsIRenderer*, fsS32, fsS32)
{
if (!mBrush || mIndices.empty())
{
return;
}
fsAxmolNodeVisit(mImpl.get(), mRenderMatrix, ax::Node::FLAGS_TRANSFORM_DIRTY);
}
void fsCNativeTexturedMeshRenderData::meshSetDo(const fsSPolyInfo&)
{
nativeMeshUpdate();
}
void fsCNativeTexturedMeshRenderData::matrixApplyDo(const fsAffineMtx2d& pRenderMatrix)
{
mRenderMatrix.m[12] = pRenderMatrix.get(0, 2);
mRenderMatrix.m[13] = pRenderMatrix.get(1, 2);
mRenderMatrix.m[0] = pRenderMatrix.get(0, 0);
mRenderMatrix.m[1] = pRenderMatrix.get(1, 0);
mRenderMatrix.m[4] = pRenderMatrix.get(0, 1);
mRenderMatrix.m[5] = pRenderMatrix.get(1, 1);
}
void fsCNativeTexturedMeshRenderData::brushSetDo(std::shared_ptr<fsCBrush> pBrush)
{
mBrush = pBrush;
mImpl->setTexture(static_cast<fsCTexture*>(pBrush->textureGet().get())->textureGet());
blendModeApply();
nativeMeshUpdate();
}
void fsCNativeTexturedMeshRenderData::colourSetDo(const fsSColour4B& pColour)
{
mTint = pColour;
nativeMeshUpdate();
}
void fsCNativeTexturedMeshRenderData::alphaBlendModeSetDo(fsS32 pAlphaBlendMode)
{
mAlphaBlendMode = pAlphaBlendMode;
blendModeApply();
}
void fsCNativeTexturedMeshRenderData::blendModeApply()
{
switch (mAlphaBlendMode)
{
case fsCMaterial::eALPHA_NONE:
mImpl->setBlendFunc(ax::BlendFunc::DISABLE);
break;
case fsCMaterial::eALPHA_ADD:
mImpl->setBlendFunc(ax::BlendFunc::ADDITIVE);
break;
case fsCMaterial::eALPHA_ADD_PREMULTIPLIED:
mImpl->setBlendFunc({
ax::backend::BlendFactor::ONE,
ax::backend::BlendFactor::ONE});
break;
case fsCMaterial::eALPHA_BLEND_PREMULTIPLIED:
mImpl->setBlendFunc(ax::BlendFunc::ALPHA_PREMULTIPLIED);
break;
case fsCMaterial::eALPHA_MULTIPLY:
mImpl->setBlendFunc({
ax::backend::BlendFactor::DST_COLOR,
ax::backend::BlendFactor::ONE_MINUS_SRC_ALPHA});
break;
case fsCMaterial::eALPHA_SCREEN:
mImpl->setBlendFunc({
ax::backend::BlendFactor::ONE,
ax::backend::BlendFactor::ONE_MINUS_SRC_COLOR});
break;
case fsCMaterial::eALPHA_SUB:
case fsCMaterial::eALPHA_BLEND:
default:
if (mBrush && static_cast<fsCTexture*>(mBrush->textureGet().get())->textureGet()->hasPremultipliedAlpha())
{
mImpl->setBlendFunc(ax::BlendFunc::ALPHA_PREMULTIPLIED);
}
else
{
mImpl->setBlendFunc(ax::BlendFunc::ALPHA_NON_PREMULTIPLIED);
}
break;
}
}
void fsCNativeTexturedMeshRenderData::nativeMeshUpdate()
{
const fsSPolyInfo& mesh = meshGet();
mVertices.resize(mesh.mTris.size());
mIndices.assign(mesh.mTriangles.begin(), mesh.mTriangles.end());
fsF32 minX = 0.0f;
fsF32 minY = 0.0f;
fsF32 maxX = 0.0f;
fsF32 maxY = 0.0f;
if (!mesh.mTris.empty())
{
minX = maxX = mesh.mTris.front().vertices.x;
minY = maxY = mesh.mTris.front().vertices.y;
}
for (const V3F_C4B_T2F& vertex : mesh.mTris)
{
minX = std::min(minX, vertex.vertices.x);
minY = std::min(minY, vertex.vertices.y);
maxX = std::max(maxX, vertex.vertices.x);
maxY = std::max(maxY, vertex.vertices.y);
}
for (std::size_t index = 0; index < mesh.mTris.size(); ++index)
{
const V3F_C4B_T2F& source = mesh.mTris[index];
fsSAxmolTexturedMeshVertex& destination = mVertices[index];
destination.vertices.x = source.vertices.x - minX;
destination.vertices.y = source.vertices.y - minY;
destination.vertices.z = source.vertices.z;
destination.texCoords.u = source.texCoords.mU;
destination.texCoords.v = source.texCoords.mV;
destination.colors.r = colourChannelMultiply(source.colors.mR, mTint.mR);
destination.colors.g = colourChannelMultiply(source.colors.mG, mTint.mG);
destination.colors.b = colourChannelMultiply(source.colors.mB, mTint.mB);
destination.colors.a = colourChannelMultiply(source.colors.mA, mTint.mA);
}
mImpl->setAnchorPoint(ax::Vec2(0.0f, 0.0f));
mImpl->setPosition(minX, minY);
mImpl->setContentSize(ax::Size(maxX - minX, maxY - minY));
mTriangles.verts = mVertices.empty() ? nullptr : mVertices.data();
mTriangles.indices = mIndices.empty() ? nullptr : mIndices.data();
mTriangles.vertCount = static_cast<unsigned int>(mVertices.size());
mTriangles.indexCount = static_cast<unsigned int>(mIndices.size());
mPolygonInfo.setTriangles(mTriangles);
mImpl->setPolygonInfo(mPolygonInfo);
}
fsCNativeTexturedMeshRenderData::fsCNativeTexturedMeshRenderData() :
mImpl(ax::Sprite::create()),
mTint(fsSColour4B::fsWHITE()),
mAlphaBlendMode(fsCMaterial::eALPHA_BLEND)
{
mImpl->retain();
}
fsCNativeTexturedMeshRenderData::~fsCNativeTexturedMeshRenderData()
{
if (mImpl->getParent())
{
mImpl->removeFromParentAndCleanup(true);
}
mImpl->release();
mImpl.release();<--- Return value of function mImpl.release() is not used.
}
|