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Try to support stack matrices on models drawing

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Not working yet... :(
This commit is contained in:
Ray 2019-07-24 22:40:12 +02:00
parent 7c05e498fc
commit 8e870f0eda
1 changed files with 13 additions and 5 deletions
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18
src/rlgl.h
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@ -735,7 +735,7 @@ typedef struct DrawCall {
int mode; // Drawing mode: LINES, TRIANGLES, QUADS
int vertexCount; // Number of vertex of the draw
int vertexAlignment; // Number of vertex required for index alignment (LINES, TRIANGLES)
//unsigned int vaoId; // Vertex Array id to be used on the draw
//unsigned int vaoId; // Vertex array id to be used on the draw
//unsigned int shaderId; // Shader id to be used on the draw
unsigned int textureId; // Texture id to be used on the draw
// TODO: Support additional texture units?
@ -1140,8 +1140,8 @@ void rlEnd(void)
{
// WARNING: If we are between rlPushMatrix() and rlPopMatrix() and we need to force a rlglDraw(),
// we need to call rlPopMatrix() before to recover *currentMatrix (modelview) for the next forced draw call!
// Also noted that if we had multiple matrix pushed, it will require "stackCounter" pops before launching the draw
rlPopMatrix();
// If we have multiple matrix pushed, it will require "stackCounter" pops before launching the draw
for (int i = stackCounter; i >= 0; i--) rlPopMatrix();
rlglDraw();
}
}
@ -2622,9 +2622,17 @@ void rlDrawMesh(Mesh mesh, Material material, Matrix transform)
// That's because BeginMode3D() sets it an no model-drawing function modifies it, all use rlPushMatrix() and rlPopMatrix()
Matrix matView = modelview; // View matrix (camera)
Matrix matProjection = projection; // Projection matrix (perspective)
// TODO: Matrix nightmare! Trying to combine stack matrices with view matrix and local model transform matrix..
// There is some problem in the order matrices are multiplied... it requires some time to figure out...
Matrix matStackTransform = MatrixIdentity();
// TODO: Consider possible transform matrices in the stack
// Is this the right order? or should we start with the first stored matrix instead of the last one?
//for (int i = stackCounter; i > 0; i--) matStackTransform = MatrixMultiply(stack[i], matStackTransform);
// Calculate model-view matrix combining matModel and matView
Matrix matModelView = MatrixMultiply(transform, matView); // Transform to camera-space coordinates
Matrix matModel = MatrixMultiply(transform, matStackTransform); // Apply local model transformation
Matrix matModelView = MatrixMultiply(matModel, matView); // Transform to camera-space coordinates
//-----------------------------------------------------
// Bind active texture maps (if available)