-#include "quakedef.h"
-void R_ClipSpriteImage (entity_t *e, msprite_t *psprite, frameblend_t *blend, vec3_t origin, vec3_t up, vec3_t right)
-{
- int i;
- mspriteframe_t *frame;
- vec3_t points[4];
- float fleft, fright, fdown, fup;
- frame = ((mspriteframe_t *)(psprite->ofs_frames + (int) psprite)) + blend[0].frame;
- fleft = frame->left;
- fdown = frame->down;
- fright = frame->right;
- fup = frame->up;
- for (i = 1;i < 4 && blend[i].lerp;i++)
- {
- frame = ((mspriteframe_t *)(psprite->ofs_frames + (int) psprite)) + blend[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, e, NULL, NULL);
-}
+#include "quakedef.h"
-void R_ClipSprite (entity_t *e, frameblend_t *blend)
+static int R_SpriteSetup (const entity_render_t *ent, int type, float org[3], float left[3], float up[3])
{
- vec3_t forward, right, up, org;
- msprite_t *psprite;
-
- if (!blend[0].lerp)
- return;
+ float scale;
- psprite = Mod_Extradata(e->render.model);
-
- if (psprite->type == SPR_ORIENTED)
- {
- // bullet marks on walls
- AngleVectors (e->render.angles, forward, right, up);
- // nudge it toward the view, so it will be infront of the wall
- VectorSubtract(e->render.origin, vpn, org);
- // don't draw if it's a backface
- if (DotProduct(r_origin, forward) > (DotProduct(org, forward) - 1.0f))
- return;
- }
- else
+ // nudge it toward the view to make sure it isn't in a wall
+ org[0] = ent->matrix.m[0][3] - r_viewforward[0];
+ org[1] = ent->matrix.m[1][3] - r_viewforward[1];
+ org[2] = ent->matrix.m[2][3] - r_viewforward[2];
+ switch(type)
{
+ case SPR_VP_PARALLEL_UPRIGHT:
+ // flames and such
+ // vertical beam sprite, faces view plane
+ scale = ent->scale / sqrt(r_viewforward[0]*r_viewforward[0]+r_viewforward[1]*r_viewforward[1]);
+ left[0] = -r_viewforward[1] * scale;
+ left[1] = r_viewforward[0] * scale;
+ left[2] = 0;
+ up[0] = 0;
+ up[1] = 0;
+ up[2] = ent->scale;
+ break;
+ case SPR_FACING_UPRIGHT:
+ // flames and such
+ // vertical beam sprite, faces viewer's origin (not the view plane)
+ scale = ent->scale / sqrt((org[0] - r_vieworigin[0])*(org[0] - r_vieworigin[0])+(org[1] - r_vieworigin[1])*(org[1] - r_vieworigin[1]));
+ left[0] = (org[1] - r_vieworigin[1]) * scale;
+ left[1] = -(org[0] - r_vieworigin[0]) * scale;
+ left[2] = 0;
+ up[0] = 0;
+ up[1] = 0;
+ up[2] = ent->scale;
+ break;
+ default:
+ Con_Printf("R_SpriteSetup: unknown sprite type %i\n", type);
+ // fall through to normal sprite
+ case SPR_VP_PARALLEL:
// normal sprite
- VectorCopy(vup, up);
- VectorCopy(vright, right);
- VectorCopy(e->render.origin, org);
- // don't draw if it's a backface
- if (DotProduct(org, vpn) < (DotProduct(r_origin, vpn) + 1.0f))
- return;
- }
-
-
- if (e->render.scale != 1)
- {
- VectorScale(up, e->render.scale, up);
- VectorScale(right, e->render.scale, right);
+ // faces view plane
+ left[0] = r_viewleft[0] * ent->scale;
+ left[1] = r_viewleft[1] * ent->scale;
+ left[2] = r_viewleft[2] * ent->scale;
+ up[0] = r_viewup[0] * ent->scale;
+ up[1] = r_viewup[1] * ent->scale;
+ up[2] = r_viewup[2] * ent->scale;
+ break;
+ case SPR_ORIENTED:
+ // bullet marks on walls
+ // ignores viewer entirely
+ left[0] = ent->matrix.m[0][1];
+ left[1] = ent->matrix.m[1][1];
+ left[2] = ent->matrix.m[2][1];
+ up[0] = ent->matrix.m[0][2];
+ up[1] = ent->matrix.m[1][2];
+ up[2] = ent->matrix.m[2][2];
+ 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
+ left[0] = ent->matrix.m[0][1] * r_viewforward[0] + ent->matrix.m[1][1] * r_viewleft[0] + ent->matrix.m[2][1] * r_viewup[0];
+ left[1] = ent->matrix.m[0][1] * r_viewforward[1] + ent->matrix.m[1][1] * r_viewleft[1] + ent->matrix.m[2][1] * r_viewup[1];
+ left[2] = ent->matrix.m[0][1] * r_viewforward[2] + ent->matrix.m[1][1] * r_viewleft[2] + ent->matrix.m[2][1] * r_viewup[2];
+ up[0] = ent->matrix.m[0][2] * r_viewforward[0] + ent->matrix.m[1][2] * r_viewleft[0] + ent->matrix.m[2][2] * r_viewup[0];
+ up[1] = ent->matrix.m[0][2] * r_viewforward[1] + ent->matrix.m[1][2] * r_viewleft[1] + ent->matrix.m[2][2] * r_viewup[1];
+ up[2] = ent->matrix.m[0][2] * r_viewforward[2] + ent->matrix.m[1][2] * r_viewleft[2] + ent->matrix.m[2][2] * r_viewup[2];
+ break;
}
-
- // LordHavoc: interpolated sprite rendering
- R_ClipSpriteImage(e, psprite, blend, org, up, right);
+ return false;
}
-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), ((currententity->render.effects & EF_ADDITIVE) || (currententity->render.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 (entity_t *e, frameblend_t *blend)
+void R_DrawSpriteModelCallback(const void *calldata1, int calldata2)
{
- vec3_t forward, right, up, org, color, mins, maxs;
- byte colorub[4];
- msprite_t *psprite;
+ const entity_render_t *ent = calldata1;
+ int i;
+ vec3_t left, up, org, color, diffusecolor, diffusenormal;
+ mspriteframe_t *frame;
+ vec3_t diff;
+ float fog, ifog;
- if (!blend[0].lerp)
+ if (R_SpriteSetup(ent, ent->model->sprite.sprnum_type, org, left, up))
return;
- VectorAdd (e->render.origin, e->render.model->mins, mins);
- VectorAdd (e->render.origin, e->render.model->maxs, maxs);
-
-// if (R_CullBox (mins, maxs))
-// return;
-
- c_sprites++;
-
- psprite = Mod_Extradata(e->render.model);
- //psprite = e->model->cache.data;
+ R_Mesh_Matrix(&r_identitymatrix);
- if (psprite->type == SPR_ORIENTED)
- {
- // bullet marks on walls
- AngleVectors (e->render.angles, forward, right, up);
- VectorSubtract(e->render.origin, vpn, org);
- }
+ if (!(ent->flags & RENDER_LIGHT))
+ color[0] = color[1] = color[2] = 1;
else
{
- // normal sprite
- VectorCopy(vup, up);
- VectorCopy(vright, right);
- VectorCopy(e->render.origin, org);
+ R_CompleteLightPoint(color, diffusecolor, diffusenormal, ent->origin, true, NULL);
+ VectorMA(color, 0.5f, diffusecolor, color);
}
- if (e->render.scale != 1)
+ if (fogenabled)
{
- VectorScale(up, e->render.scale, up);
- VectorScale(right, e->render.scale, right);
+ VectorSubtract(ent->origin, r_vieworigin, diff);
+ fog = exp(fogdensity/DotProduct(diff,diff));
+ if (fog > 1)
+ fog = 1;
}
+ else
+ fog = 0;
+ ifog = 1 - fog;
- if (e->render.model->flags & EF_FULLBRIGHT || e->render.effects & EF_FULLBRIGHT)
+ if (r_lerpsprites.integer)
{
- color[0] = e->render.colormod[0] * 255;
- color[1] = e->render.colormod[1] * 255;
- color[2] = e->render.colormod[2] * 255;
+ // LordHavoc: interpolated sprite rendering
+ for (i = 0;i < 4;i++)
+ {
+ if (ent->frameblend[i].lerp >= 0.01f)
+ {
+ frame = ent->model->sprite.sprdata_frames + ent->frameblend[i].frame;
+ R_DrawSpriteImage((ent->effects & 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
- R_CompleteLightPoint(color, e->render.origin, true);
+ {
+ // LordHavoc: no interpolation
+ frame = NULL;
+ for (i = 0;i < 4 && ent->frameblend[i].lerp;i++)
+ frame = ent->model->sprite.sprdata_frames + ent->frameblend[i].frame;
+
+ if (frame)
+ {
+ R_DrawSpriteImage((ent->effects & 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);
+ }
+ }
+}
- colorub[0] = bound(0, color[0], 255);
- colorub[1] = bound(0, color[1], 255);
- colorub[2] = bound(0, color[2], 255);
+void R_Model_Sprite_Draw(entity_render_t *ent)
+{
+ if (ent->frameblend[0].frame < 0)
+ return;
+
+ c_sprites++;
- // 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);
+ R_MeshQueue_AddTransparent(ent->origin, R_DrawSpriteModelCallback, ent, 0);
}
projects / xonotic / darkplaces.git / blobdiff