X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=r_sprites.c;h=47e9fb2051e1568279bc36768941b428426925a2;hb=322a793217747dcba07746dbe23006dcb50492a2;hp=f9b43eadd4b6f32b9d0a6bca91b9eb18b7b36e2a;hpb=45982a9894c5bff60ff494a0f82865ec267d52f7;p=xonotic%2Fdarkplaces.git

diff --git a/r_sprites.c b/r_sprites.c
index f9b43ead..47e9fb20 100644
--- a/r_sprites.c
+++ b/r_sprites.c
@@ -1,36 +1,13 @@
+
 #include "quakedef.h"
 
-void R_ClipSpriteImage (msprite_t *psprite, vec3_t origin, vec3_t right, vec3_t up)
-{
-	int i;
-	mspriteframe_t *frame;
-	vec3_t points[4];
-	float fleft, fright, fdown, fup;
-	frame = ((mspriteframe_t *)(psprite->ofs_frames + (int) psprite)) + currentrenderentity->frameblend[0].frame;
-	fleft  = frame->left;
-	fdown  = frame->down;
-	fright = frame->right;
-	fup    = frame->up;
-	for (i = 1;i < 4 && currentrenderentity->frameblend[i].lerp;i++)
-	{
-		frame = ((mspriteframe_t *)(psprite->ofs_frames + (int) psprite)) + currentrenderentity->frameblend[i].frame;
-		fleft  = min(fleft , frame->left );
-		fdown  = min(fdown , frame->down );
-		fright = max(fright, frame->right);
-		fup    = max(fup   , frame->up   );
-	}
-	points[0][0] = origin[0] + fdown * up[0] + fleft  * right[0];points[0][1] = origin[1] + fdown * up[1] + fleft  * right[1];points[0][2] = origin[2] + fdown * up[2] + fleft  * right[2];
-	points[1][0] = origin[0] + fup   * up[0] + fleft  * right[0];points[1][1] = origin[1] + fup   * up[1] + fleft  * right[1];points[1][2] = origin[2] + fup   * up[2] + fleft  * right[2];
-	points[2][0] = origin[0] + fup   * up[0] + fright * right[0];points[2][1] = origin[1] + fup   * up[1] + fright * right[1];points[2][2] = origin[2] + fup   * up[2] + fright * right[2];
-	points[3][0] = origin[0] + fdown * up[0] + fright * right[0];points[3][1] = origin[1] + fdown * up[1] + fright * right[1];points[3][2] = origin[2] + fdown * up[2] + fright * right[2];
-	R_Clip_AddPolygon(&points[0][0], 4, sizeof(float[3]), false, R_Entity_Callback, currentrenderentity, NULL, NULL);
-}
+#define LERPSPRITES
 
-int R_SpriteSetup (int type, float org[3], float right[3], float up[3])
+static int R_SpriteSetup (const entity_render_t *ent, int type, float org[3], float left[3], float up[3])
 {
 	float matrix1[3][3], matrix2[3][3], matrix3[3][3];
 
-	VectorCopy(currentrenderentity->origin, org);
+	VectorCopy(ent->origin, org);
 	switch(type)
 	{
 	case SPR_VP_PARALLEL_UPRIGHT:
@@ -39,15 +16,25 @@ int R_SpriteSetup (int type, float org[3], float right[3], float up[3])
 		VectorNegate(vpn, matrix3[0]);
 		matrix3[0][2] = 0;
 		VectorNormalizeFast(matrix3[0]);
-		VectorVectors(matrix3[0], matrix3[1], matrix3[2]);
+		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(r_origin, currentrenderentity->origin, matrix3[0]);
+		VectorSubtract(ent->origin, r_origin, matrix3[0]);
 		matrix3[0][2] = 0;
 		VectorNormalizeFast(matrix3[0]);
-		VectorVectors(matrix3[0], matrix3[1], matrix3[2]);
+		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);
@@ -56,13 +43,13 @@ int R_SpriteSetup (int type, float org[3], float right[3], float up[3])
 		// normal sprite
 		// faces view plane
 		VectorCopy(vpn, matrix3[0]);
-		VectorCopy(vright, matrix3[1]);
+		VectorNegate(vright, matrix3[1]);
 		VectorCopy(vup, matrix3[2]);
 		break;
 	case SPR_ORIENTED:
 		// bullet marks on walls
 		// ignores viewer entirely
-		AngleVectors (currentrenderentity->angles, matrix3[0], matrix3[1], matrix3[2]);
+		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;
@@ -70,94 +57,94 @@ int R_SpriteSetup (int type, float org[3], float right[3], float up[3])
 		// I have no idea what people would use this for
 		// oriented relative to view space
 		// FIXME: test this and make sure it mimicks software
-		AngleVectors (currentrenderentity->angles, matrix1[0], matrix1[1], matrix1[2]);
+		AngleVectorsFLU (ent->angles, matrix1[0], matrix1[1], matrix1[2]);
 		VectorCopy(vpn, matrix2[0]);
-		VectorCopy(vright, matrix2[1]);
+		VectorNegate(vright, matrix2[1]);
 		VectorCopy(vup, matrix2[2]);
-		R_ConcatRotations (matrix1, matrix2, matrix3);
+		R_ConcatRotations (matrix1[0], matrix2[0], matrix3[0]);
 		break;
 	}
 
-	// don't draw if view origin is behind it
-	if (DotProduct(org, matrix3[0]) < (DotProduct(r_origin, matrix3[0]) - 1.0f))
-		return true;
-
-	if (currentrenderentity->scale != 1)
+	if (ent->scale != 1)
 	{
-		VectorScale(matrix3[1], currentrenderentity->scale, matrix3[1]);
-		VectorScale(matrix3[2], currentrenderentity->scale, matrix3[2]);
+		VectorScale(matrix3[1], ent->scale, left);
+		VectorScale(matrix3[2], ent->scale, up);
+	}
+	else
+	{
+		VectorCopy(matrix3[1], left);
+		VectorCopy(matrix3[2], up);
 	}
-
-	VectorCopy(matrix3[1], right);
-	VectorCopy(matrix3[2], up);
 	return false;
 }
 
-void R_ClipSprite (void)
-{
-	vec3_t org, right, up;
-	msprite_t *psprite;
-
-	if (currentrenderentity->frameblend[0].frame < 0)
-		return;
-
-	psprite = Mod_Extradata(currentrenderentity->model);
-	if (R_SpriteSetup(psprite->type, org, right, up))
-		return;
-
-	// LordHavoc: interpolated sprite rendering
-	R_ClipSpriteImage(psprite, org, right, up);
-}
-
-void GL_DrawSpriteImage (mspriteframe_t *frame, vec3_t origin, vec3_t up, vec3_t right, byte red, byte green, byte blue, int alpha)
+static void R_DrawSpriteImage (int additive, mspriteframe_t *frame, rtexture_t *texture, vec3_t origin, vec3_t up, vec3_t left, float red, float green, float blue, float alpha)
 {
-	byte alphaub;
-	alphaub = bound(0, alpha, 255);
-	transpolybegin(R_GetTexture(frame->texture), 0, R_GetTexture(frame->fogtexture), ((currentrenderentity->effects & EF_ADDITIVE) || (currentrenderentity->model->flags & 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();
+	// FIXME: negate left and right in loader
+	R_DrawSprite(GL_SRC_ALPHA, additive ? GL_ONE : GL_ONE_MINUS_SRC_ALPHA, texture, false, origin, left, up, frame->left, frame->right, frame->down, frame->up, red, green, blue, alpha);
 }
 
-/*
-=================
-R_DrawSpriteModel
-=================
-*/
-void R_DrawSpriteModel ()
+void R_DrawSpriteModelCallback(const void *calldata1, int calldata2)
 {
-	int			i;
-	vec3_t		right, up, org, color;
-	byte		colorub[4];
-	msprite_t	*psprite;
+	const entity_render_t *ent = calldata1;
+	int i;
+	vec3_t left, up, org, color;
+	mspriteframe_t *frame;
+	vec3_t diff;
+	float fog, ifog;
 
-	if (currentrenderentity->frameblend[0].frame < 0)
+	if (R_SpriteSetup(ent, ent->model->sprnum_type, org, left, up))
 		return;
 
-	psprite = Mod_Extradata(currentrenderentity->model);
-	if (R_SpriteSetup(psprite->type, org, right, up))
-		return;
+	R_Mesh_Matrix(&r_identitymatrix);
 
-	c_sprites++;
+	if ((ent->model->flags & EF_FULLBRIGHT) || (ent->effects & EF_FULLBRIGHT))
+		color[0] = color[1] = color[2] = 1;
+	else
+		R_CompleteLightPoint(color, ent->origin, true, NULL);
 
-	if ((currentrenderentity->model->flags & EF_FULLBRIGHT) || (currentrenderentity->effects & EF_FULLBRIGHT))
+	if (fogenabled)
 	{
-		color[0] = currentrenderentity->colormod[0] * 255;
-		color[1] = currentrenderentity->colormod[1] * 255;
-		color[2] = currentrenderentity->colormod[2] * 255;
+		VectorSubtract(ent->origin, r_origin, diff);
+		fog = exp(fogdensity/DotProduct(diff,diff));
+		if (fog > 1)
+			fog = 1;
 	}
 	else
-		R_CompleteLightPoint(color, currentrenderentity->origin, true, NULL);
-
-	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
 	for (i = 0;i < 4;i++)
-		if (currentrenderentity->frameblend[i].lerp)
-			GL_DrawSpriteImage(((mspriteframe_t *)(psprite->ofs_frames + (int) psprite)) + currentrenderentity->frameblend[i].frame, org, up, right, colorub[0],colorub[1],colorub[2], currentrenderentity->alpha*255*currentrenderentity->frameblend[i].lerp);
+	{
+		if (ent->frameblend[i].lerp >= 0.01f)
+		{
+			frame = ent->model->sprdata_frames + ent->frameblend[i].frame;
+			R_DrawSpriteImage((ent->effects & EF_ADDITIVE) || (ent->model->flags & EF_ADDITIVE), frame, 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(true, frame, 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((ent->effects & EF_ADDITIVE) || (ent->model->flags & EF_ADDITIVE), frame, 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(true, frame, frame->fogtexture, org, up, left, fogcolor[0],fogcolor[1],fogcolor[2], fog * ent->alpha);
+#endif
+}
+
+void R_Model_Sprite_Draw(entity_render_t *ent)
+{
+	if (ent->frameblend[0].frame < 0)
+		return;
+
+	c_sprites++;
+
+	R_MeshQueue_AddTransparent(ent->origin, R_DrawSpriteModelCallback, ent, 0);
 }