1 files changed, 73 insertions, 0 deletions
diff --git a/src/video/trail_render.c b/src/video/trail_render.c
new file mode 100644
index 0000000..60f4188
--- /dev/null
+++ b/src/video/trail_render.c
@@ -0,0 +1,73 @@
+#include "video/trail_geometry.h"
+								 
+void trailStatesNormal(Player *pPlayer, int texture) {
+	glEnableClientState(GL_VERTEX_ARRAY);
+	glEnableClientState(GL_NORMAL_ARRAY);
+	glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+	glEnableClientState(GL_COLOR_ARRAY);
+
+	// glEnable(GL_CULL_FACE);
+	glDisable(GL_CULL_FACE);
+	glShadeModel(GL_SMOOTH);
+	glEnable(GL_TEXTURE_2D);
+	// glDisable(GL_TEXTURE_2D);
+	// glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+	// glDisable(GL_LIGHTING);
+	glBindTexture(GL_TEXTURE_2D, texture);
+	glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+
+	{ 
+		float black[] = { 0, 0, 0, 1 };
+		glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, black);
+		glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
+		glEnable(GL_COLOR_MATERIAL);
+	}
+
+	if(gSettingsCache.alpha_trails) {
+		glEnable(GL_BLEND);
+		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+	}
+}
+
+void trailStatesShadowed(void) {
+	glEnableClientState(GL_VERTEX_ARRAY);
+	glDisableClientState(GL_NORMAL_ARRAY);
+	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+	glDisableClientState(GL_COLOR_ARRAY);
+
+	// glEnable(GL_CULL_FACE);
+	glDisable(GL_CULL_FACE);
+	glDisable(GL_TEXTURE_2D);
+	// glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+	glDisable(GL_LIGHTING);
+}
+
+void trailStatesRestore(void) {
+	glDisable(GL_COLOR_MATERIAL);
+	glCullFace(GL_BACK);
+	glDisable(GL_CULL_FACE);
+	glDisable(GL_TEXTURE_2D);
+	glDisable(GL_BLEND);
+	glEnable(GL_LIGHTING);
+	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+}
+
+void trailRender(TrailMesh *pMesh) {
+	if(pMesh->iUsed == 0)
+		return;
+	
+	glVertexPointer(3, GL_FLOAT, 0, pMesh->pVertices);
+	glNormalPointer(GL_FLOAT, 0, pMesh->pNormals);
+	glTexCoordPointer(2, GL_FLOAT, 0, pMesh->pTexCoords);
+	glColorPointer(4, GL_UNSIGNED_BYTE, 0, pMesh->pColors);
+
+	checkGLError("texcoord pointer");
+
+	glDrawElements(GL_TRIANGLES, pMesh->iUsed, GL_UNSIGNED_SHORT, pMesh->pIndices);
+	glDisableClientState(GL_VERTEX_ARRAY);
+	glDisableClientState(GL_NORMAL_ARRAY);
+	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+	glDisableClientState(GL_COLOR_ARRAY);
+
+	checkGLError("trail");
+}