X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=r_sprites.c;h=58dd2d21d6a4d0a1eec689dd140bfd00d5d3817a;hp=95facc3cf94c10c7be87ab5f30d0028228254d39;hb=ddf29ee760ff83c108fb9c13cdf27d17dca6ac8e;hpb=f9605292b17719532eac0b3c7ccd6341b671d684

diff --git a/r_sprites.c b/r_sprites.c
index 95facc3c..58dd2d21 100644
--- a/r_sprites.c
+++ b/r_sprites.c
@@ -1,75 +1,202 @@
+
 #include "quakedef.h"
 
-void GL_DrawSpriteImage (mspriteframe_t *frame, vec3_t origin, vec3_t up, vec3_t right, byte red, byte green, byte blue, int alpha)
+#define LERPSPRITES
+
+static int R_SpriteSetup (const entity_render_t *ent, int type, float org[3], float left[3], float up[3])
 {
-	byte alphaub;
-	alphaub = bound(0, alpha, 255);
-	transpolybegin(R_GetTexture(frame->texture), 0, R_GetTexture(frame->fogtexture), currententity->render.effects & EF_ADDITIVE ? TPOLYTYPE_ADD : TPOLYTYPE_ALPHA);
-	transpolyvertub(origin[0] + frame->down * up[0] + frame->left * right[0], origin[1] + frame->down * up[1] + frame->left * right[1], origin[2] + frame->down * up[2] + frame->left * right[2], 0, 1, red, green, blue, alphaub);
-	transpolyvertub(origin[0] + frame->up * up[0] + frame->left * right[0], origin[1] + frame->up * up[1] + frame->left * right[1], origin[2] + frame->up * up[2] + frame->left * right[2], 0, 0, red, green, blue, alphaub);
-	transpolyvertub(origin[0] + frame->up * up[0] + frame->right * right[0], origin[1] + frame->up * up[1] + frame->right * right[1], origin[2] + frame->up * up[2] + frame->right * right[2], 1, 0, red, green, blue, alphaub);
-	transpolyvertub(origin[0] + frame->down * up[0] + frame->right * right[0], origin[1] + frame->down * up[1] + frame->right * right[1], origin[2] + frame->down * up[2] + frame->right * right[2], 1, 1, red, green, blue, alphaub);
-	transpolyend();
-}
+	float matrix1[3][3], matrix2[3][3], matrix3[3][3];
 
-/*
-=================
-R_DrawSpriteModel
+	VectorCopy(ent->origin, org);
+	switch(type)
+	{
+	case SPR_VP_PARALLEL_UPRIGHT:
+		// flames and such
+		// vertical beam sprite, faces view plane
+		VectorNegate(vpn, matrix3[0]);
+		matrix3[0][2] = 0;
+		VectorNormalizeFast(matrix3[0]);
+		matrix3[1][0] = matrix3[0][1];
+		matrix3[1][1] = -matrix3[0][0];
+		matrix3[1][2] = 0;
+		matrix3[2][0] = 0;
+		matrix3[2][1] = 0;
+		matrix3[2][2] = 1;
+		break;
+	case SPR_FACING_UPRIGHT:
+		// flames and such
+		// vertical beam sprite, faces viewer's origin (not the view plane)
+		VectorSubtract(ent->origin, r_origin, matrix3[0]);
+		matrix3[0][2] = 0;
+		VectorNormalizeFast(matrix3[0]);
+		matrix3[1][0] = matrix3[0][1];
+		matrix3[1][1] = -matrix3[0][0];
+		matrix3[1][2] = 0;
+		matrix3[2][0] = 0;
+		matrix3[2][1] = 0;
+		matrix3[2][2] = 1;
+		break;
+	default:
+		Con_Printf("R_SpriteSetup: unknown sprite type %i\n", type);
+		// fall through to normal sprite
+	case SPR_VP_PARALLEL:
+		// normal sprite
+		// faces view plane
+		VectorCopy(vpn, matrix3[0]);
+		VectorNegate(vright, matrix3[1]);
+		VectorCopy(vup, matrix3[2]);
+		break;
+	case SPR_ORIENTED:
+		// bullet marks on walls
+		// ignores viewer entirely
+		AngleVectorsFLU (ent->angles, matrix3[0], matrix3[1], matrix3[2]);
+		// nudge it toward the view, so it will be infront of the wall
+		VectorSubtract(org, vpn, org);
+		break;
+	case SPR_VP_PARALLEL_ORIENTED:
+		// I have no idea what people would use this for
+		// oriented relative to view space
+		// FIXME: test this and make sure it mimicks software
+		AngleVectorsFLU (ent->angles, matrix1[0], matrix1[1], matrix1[2]);
+		VectorCopy(vpn, matrix2[0]);
+		VectorNegate(vright, matrix2[1]);
+		VectorCopy(vup, matrix2[2]);
+		R_ConcatRotations (matrix1[0], matrix2[0], matrix3[0]);
+		break;
+	}
 
-=================
-*/
-void R_DrawSpriteModel (entity_t *e, frameblend_t *blend)
-{
-	vec3_t			right, up, org, color;
-	byte			colorub[4];
-	msprite_t		*psprite;
+	if (ent->scale != 1)
+	{
+		VectorScale(matrix3[1], ent->scale, left);
+		VectorScale(matrix3[2], ent->scale, up);
+	}
+	else
+	{
+		VectorCopy(matrix3[1], left);
+		VectorCopy(matrix3[2], up);
+	}
+	return false;
+}
 
-	// don't even bother culling, because it's just a single
-	// polygon without a surface cache
+static void R_DrawSpriteImage (int wantoverbright, int additive, mspriteframe_t *frame, int texture, vec3_t origin, vec3_t up, vec3_t left, float red, float green, float blue, float alpha)
+{
+	rmeshbufferinfo_t m;
+	memset(&m, 0, sizeof(m));
+	m.blendfunc1 = GL_SRC_ALPHA;
+	m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
+	if (additive)
+		m.blendfunc2 = GL_ONE;
+	m.numtriangles = 2;
+	m.numverts = 4;
+	m.tex[0] = texture;
+	Matrix4x4_CreateIdentity(&m.matrix);
+	if (R_Mesh_Draw_GetBuffer(&m, wantoverbright))
+	{
+		m.index[0] = 0;
+		m.index[1] = 1;
+		m.index[2] = 2;
+		m.index[3] = 0;
+		m.index[4] = 2;
+		m.index[5] = 3;
+		m.color[0] = m.color[4] = m.color[8] = m.color[12] = red * m.colorscale;
+		m.color[1] = m.color[5] = m.color[9] = m.color[13] = green * m.colorscale;
+		m.color[2] = m.color[6] = m.color[10] = m.color[14] = blue * m.colorscale;
+		m.color[3] = m.color[7] = m.color[11] = m.color[15] = alpha;
+		m.texcoords[0][0] = 0;
+		m.texcoords[0][1] = 1;
+		m.texcoords[0][2] = 0;
+		m.texcoords[0][3] = 0;
+		m.texcoords[0][4] = 1;
+		m.texcoords[0][5] = 0;
+		m.texcoords[0][6] = 1;
+		m.texcoords[0][7] = 1;
+		// FIXME: negate left and right in loader
+		m.vertex[0] = origin[0] + frame->down * up[0] - frame->left  * left[0];
+		m.vertex[1] = origin[1] + frame->down * up[1] - frame->left  * left[1];
+		m.vertex[2] = origin[2] + frame->down * up[2] - frame->left  * left[2];
+		m.vertex[4] = origin[0] + frame->up   * up[0] - frame->left  * left[0];
+		m.vertex[5] = origin[1] + frame->up   * up[1] - frame->left  * left[1];
+		m.vertex[6] = origin[2] + frame->up   * up[2] - frame->left  * left[2];
+		m.vertex[8] = origin[0] + frame->up   * up[0] - frame->right * left[0];
+		m.vertex[9] = origin[1] + frame->up   * up[1] - frame->right * left[1];
+		m.vertex[10] = origin[2] + frame->up   * up[2] - frame->right * left[2];
+		m.vertex[12] = origin[0] + frame->down * up[0] - frame->right * left[0];
+		m.vertex[13] = origin[1] + frame->down * up[1] - frame->right * left[1];
+		m.vertex[14] = origin[2] + frame->down * up[2] - frame->right * left[2];
+		R_Mesh_Render();
+	}
+}
 
-	c_sprites++;
+void R_DrawSpriteModelCallback(const void *calldata1, int calldata2)
+{
+	const entity_render_t *ent = calldata1;
+	int i, wantoverbright;
+	vec3_t left, up, org, color;
+	mspriteframe_t *frame;
+	vec3_t diff;
+	float fog, ifog;
 
-	psprite = Mod_Extradata(e->render.model);
-	//psprite = e->model->cache.data;
+	if (R_SpriteSetup(ent, ent->model->sprnum_type, org, left, up))
+		return;
 
-	if (psprite->type == SPR_ORIENTED)
-	{	// bullet marks on walls
-		AngleVectors (e->render.angles, NULL, right, up);
-		VectorSubtract(e->render.origin, vpn, org);
+	if ((ent->model->flags & EF_FULLBRIGHT) || (ent->effects & EF_FULLBRIGHT))
+	{
+		color[0] = color[1] = color[2] = 1;
+		wantoverbright = false;
 	}
 	else
-	{	// normal sprite
-		VectorCopy(vup, up);
-		VectorCopy(vright, right);
-		VectorCopy(e->render.origin, org);
-	}
-	if (e->render.scale != 1)
 	{
-		VectorScale(up, e->render.scale, up);
-		VectorScale(right, e->render.scale, right);
+		R_CompleteLightPoint(color, ent->origin, true, NULL);
+		wantoverbright = color[0] > 1 || color[1] > 1 || color[2] > 1;
 	}
 
-	if (e->render.model->flags & EF_FULLBRIGHT || e->render.effects & EF_FULLBRIGHT)
+	if (fogenabled)
 	{
-		color[0] = e->render.colormod[0] * 255;
-		color[1] = e->render.colormod[1] * 255;
-		color[2] = e->render.colormod[2] * 255;
+		VectorSubtract(ent->origin, r_origin, diff);
+		fog = exp(fogdensity/DotProduct(diff,diff));
+		if (fog > 1)
+			fog = 1;
 	}
 	else
-		R_CompleteLightPoint(color, e->render.origin, true);
-
-	colorub[0] = bound(0, color[0], 255);
-	colorub[1] = bound(0, color[1], 255);
-	colorub[2] = bound(0, color[2], 255);
+		fog = 0;
+	ifog = 1 - fog;
 
+#ifdef LERPSPRITES
 	// LordHavoc: interpolated sprite rendering
-	if (blend[0].lerp)
-		GL_DrawSpriteImage(((mspriteframe_t *)(psprite->ofs_frames + (int) psprite)) + blend[0].frame, org, up, right, colorub[0],colorub[1],colorub[2], e->render.alpha*255*blend[0].lerp);
-	if (blend[1].lerp)
-		GL_DrawSpriteImage(((mspriteframe_t *)(psprite->ofs_frames + (int) psprite)) + blend[1].frame, org, up, right, colorub[0],colorub[1],colorub[2], e->render.alpha*255*blend[1].lerp);
-	if (blend[2].lerp)
-		GL_DrawSpriteImage(((mspriteframe_t *)(psprite->ofs_frames + (int) psprite)) + blend[2].frame, org, up, right, colorub[0],colorub[1],colorub[2], e->render.alpha*255*blend[2].lerp);
-	if (blend[3].lerp)
-		GL_DrawSpriteImage(((mspriteframe_t *)(psprite->ofs_frames + (int) psprite)) + blend[3].frame, org, up, right, colorub[0],colorub[1],colorub[2], e->render.alpha*255*blend[3].lerp);
+	for (i = 0;i < 4;i++)
+	{
+		if (ent->frameblend[i].lerp >= 0.01f)
+		{
+			frame = ent->model->sprdata_frames + ent->frameblend[i].frame;
+			R_DrawSpriteImage(wantoverbright, (ent->effects & EF_ADDITIVE) || (ent->model->flags & EF_ADDITIVE), frame, R_GetTexture(frame->texture), org, up, left, color[0] * ifog, color[1] * ifog, color[2] * ifog, ent->alpha * ent->frameblend[i].lerp);
+			if (fog * ent->frameblend[i].lerp >= 0.01f)
+				R_DrawSpriteImage(false, true, frame, R_GetTexture(frame->fogtexture), org, up, left, fogcolor[0],fogcolor[1],fogcolor[2], fog * ent->alpha * ent->frameblend[i].lerp);
+		}
+	}
+#else
+	// LordHavoc: no interpolation
+	frame = NULL;
+	for (i = 0;i < 4 && ent->frameblend[i].lerp;i++)
+		frame = ent->model->sprdata_frames + ent->frameblend[i].frame;
+
+	R_DrawSpriteImage(wantoverbright, (ent->effects & EF_ADDITIVE) || (ent->model->flags & EF_ADDITIVE), frame, R_GetTexture(frame->texture), org, up, left, color[0] * ifog, color[1] * ifog, color[2] * ifog, ent->alpha);
+	if (fog * ent->frameblend[i].lerp >= 0.01f)
+		R_DrawSpriteImage(false, true, frame, R_GetTexture(frame->fogtexture), org, up, left, fogcolor[0],fogcolor[1],fogcolor[2], fog * ent->alpha);
+#endif
+}
+
+/*
+=================
+R_DrawSpriteModel
+=================
+*/
+void R_DrawSpriteModel (entity_render_t *ent)
+{
+	if (ent->frameblend[0].frame < 0)
+		return;
+
+	c_sprites++;
+
+	R_MeshQueue_AddTransparent(ent->origin, R_DrawSpriteModelCallback, ent, 0);
 }