Moved inline assembly to a separate file for debugging.

Implemented GetTickCount/timeGetTime.

Added basic SDL/OpenGL support.

Draws something with no optimizations, but draws nothing with -O2. (What is
drawn looks like garbage.)

1 files changed, 68 insertions, 0 deletions

diff --git a/src/opengl.c b/src/opengl.c
new file mode 100644
index 0000000..e24a595
--- /dev/null
+++ b/src/opengl.c
@@ -0,0 +1,68 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <SDL.h>
+#include <GL/gl.h>
+#include <GL/glext.h>
+
+#include "fixer.h"
+
+#include "3dc.h"
+#include "platform.h"
+#include "module.h"
+#include "stratdef.h"
+#include "projfont.h"
+#include "savegame.h"
+#include "krender.h"
+#include "kshape.h"
+#include "prototyp.h"
+#include "d3d_hud.h"
+
+
+extern IMAGEHEADER ImageHeaderArray[];
+extern VIEWDESCRIPTORBLOCK *Global_VDB_Ptr;
+
+static void *CurrTextureHandle;
+
+void D3D_ZBufferedGouraudTexturedPolygon_Output(POLYHEADER *inputPolyPtr, RENDERVERTEX *renderVerticesPtr)
+{
+	int texoffset;
+	void *TextureHandle;
+	int i;
+	
+	texoffset = inputPolyPtr->PolyColour & ClrTxDefn;
+	if (texoffset) {
+		TextureHandle = (void *)ImageHeaderArray[texoffset].D3DHandle;
+	} else {
+		TextureHandle = CurrTextureHandle;
+	}
+	
+	fprintf(stderr, "D3D_ZBufferedGouraudTexturedPolygon_Output(%p, %p)\n", inputPolyPtr, renderVerticesPtr);
+	fprintf(stderr, "\tRenderPolygon.NumberOfVertices = %d\n", RenderPolygon.NumberOfVertices);
+	fprintf(stderr, "\ttexoffset = %d (ptr = %p)\n", texoffset, texoffset ? (void *)ImageHeaderArray[texoffset].D3DHandle : CurrTextureHandle);
+	
+	glBegin(GL_POLYGON);
+	for (i = 0; i < RenderPolygon.NumberOfVertices; i++) {
+		GLfloat x, y, z;
+		int x1, y1;
+		RENDERVERTEX *vertices = &renderVerticesPtr[i];
+		
+/* this is just random garbage */
+//		x1 = (vertices->X*(Global_VDB_Ptr->VDB_ProjX+1))/vertices->Z+Global_VDB_Ptr->VDB_CentreX;
+//		y1 = (vertices->Y*(Global_VDB_Ptr->VDB_ProjY+1))/vertices->Z+Global_VDB_Ptr->VDB_CentreY;
+		x = vertices->X;
+		y = vertices->Y;
+				
+		x = x/32768.0;
+		y = y/32768.0;
+		z = -1+-1.0f/vertices->Z;
+		
+		glColor4ub(vertices->R, vertices->G, vertices->B, vertices->A);
+		glVertex3f(x, y, z);
+		fprintf(stderr, "Vertex %d: (%f, %f, %f) [%d, %d, %d] (%d, %d, %d, %d)\n", i, x, y, z, vertices->X, vertices->Y, vertices->Z, vertices->R, vertices->G, vertices->B, vertices->A);
+	}
+	glEnd();
+	
+	CurrTextureHandle = TextureHandle;
+}