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Add player character shadow casting in shadow pass

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Kelsi 2026-02-04 16:36:03 -08:00
parent 3d63c32b7f
commit 54eac50c4d
3 changed files with 103 additions and 2 deletions
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24
src/rendering/renderer.cpp
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@ -1524,11 +1524,24 @@ uint32_t Renderer::compileShadowShader() {
uniform mat4 uLightSpaceMatrix;
uniform mat4 uModel;
layout(location = 0) in vec3 aPos;
layout(location = 4) in vec2 aTexCoord;
layout(location = 2) in vec2 aTexCoord;
layout(location = 3) in vec4 aBoneWeights;
layout(location = 4) in vec4 aBoneIndicesF;
uniform bool uUseBones;
uniform mat4 uBones[200];
out vec2 vTexCoord;
void main() {
vec3 pos = aPos;
if (uUseBones) {
ivec4 bi = ivec4(aBoneIndicesF);
mat4 boneTransform = uBones[bi.x] * aBoneWeights.x
+ uBones[bi.y] * aBoneWeights.y
+ uBones[bi.z] * aBoneWeights.z
+ uBones[bi.w] * aBoneWeights.w;
pos = vec3(boneTransform * vec4(aPos, 1.0));
}
vTexCoord = aTexCoord;
gl_Position = uLightSpaceMatrix * uModel * vec4(aPos, 1.0);
gl_Position = uLightSpaceMatrix * uModel * vec4(pos, 1.0);
}
)";
const char* fragSrc = R"(
@ -1690,9 +1703,11 @@ void Renderer::renderShadowPass() {
GLint texLoc = glGetUniformLocation(shadowShaderProgram, "uTexture");
GLint alphaTestLoc = glGetUniformLocation(shadowShaderProgram, "uAlphaTest");
GLint opacityLoc = glGetUniformLocation(shadowShaderProgram, "uShadowOpacity");
GLint useBonesLoc = glGetUniformLocation(shadowShaderProgram, "uUseBones");
if (useTexLoc >= 0) glUniform1i(useTexLoc, 0);
if (alphaTestLoc >= 0) glUniform1i(alphaTestLoc, 0);
if (opacityLoc >= 0) glUniform1f(opacityLoc, 1.0f);
if (useBonesLoc >= 0) glUniform1i(useBonesLoc, 0);
if (texLoc >= 0) glUniform1i(texLoc, 0);
// Render terrain into shadow map
@ -1732,6 +1747,11 @@ void Renderer::renderShadowPass() {
m2Renderer->renderShadow(shadowShaderProgram);
}
// Render characters into shadow map
if (characterRenderer) {
characterRenderer->renderShadow(shadowShaderProgram);
}
// Restore state
glDisable(GL_POLYGON_OFFSET_FILL);
glCullFace(GL_BACK);