From dc7b29fb37ae77e155dd82d9e6631df745fce99f Mon Sep 17 00:00:00 2001
From: div0 <div0@f962a42d-fe04-0410-a3ab-8c8b0445ebaa>
Date: Wed, 27 Jan 2010 20:46:36 +0000
Subject: [PATCH] model drawing from csqc

git-svn-id: svn://svn.icculus.org/nexuiz/trunk@8587 f962a42d-fe04-0410-a3ab-8c8b0445ebaa
---
 data/qcsrc/client/Main.qc          | 24 ++++++++++++++++++++++++
 data/qcsrc/client/csqc_builtins.qc | 11 +++++++++++
 data/qcsrc/client/miscfunctions.qc | 25 +++++++++++++++++++++++++
 3 files changed, 60 insertions(+)

diff --git a/data/qcsrc/client/Main.qc b/data/qcsrc/client/Main.qc
index b685edb1a..3d2d93ff2 100644
--- a/data/qcsrc/client/Main.qc
+++ b/data/qcsrc/client/Main.qc
@@ -470,10 +470,24 @@ void ShotOrg_Spawn()
 	debug_shotorg.view_ofs = '25 8 -8';
 }
 
+void DrawDebugModel()
+{
+	if(time - floor(time) > 0.5)
+	{
+		PolyDrawModel(self);
+	}
+	else
+	{
+		self.renderflags = 0;
+		R_AddEntity(self);
+	}
+}
+
 void GameCommand(string msg)
 {
 	string s;
 	float argc;
+	entity e;
 	argc = tokenize_console(msg);
 
 	if(argv(0) == "help" || argc == 0)
@@ -566,6 +580,16 @@ void GameCommand(string msg)
 			s = W_FixWeaponOrder(W_NumberWeaponOrder(s), 0);
 		localcmd("cmd sentcvar ", argv(1), " \"", s, "\"\n");
 	}
+	else if(cmd == "spawn") {
+		s = argv(1);
+		e = spawn();
+		precache_model(s);
+		setmodel(e, s);
+		setorigin(e, view_origin);
+		e.angles = view_angles;
+		e.draw = DrawDebugModel;
+		e.classname = "debugmodel";
+	}
 	else
 	{
 		print("Invalid command. For a list of supported commands, try cl_cmd help.\n");
diff --git a/data/qcsrc/client/csqc_builtins.qc b/data/qcsrc/client/csqc_builtins.qc
index 6e2e53114..55dbe3f1c 100644
--- a/data/qcsrc/client/csqc_builtins.qc
+++ b/data/qcsrc/client/csqc_builtins.qc
@@ -155,12 +155,23 @@ float (float handle)							search_getsize = #446;
 string (float handle, float num)					search_getfilename = #447;
 
 
+#define SPA_POSITION 0
+#define SPA_S_AXIS 1
+#define SPA_T_AXIS 2
+#define SPA_R_AXIS 3
+#define SPA_TEXCOORDS0 4
+#define SPA_LIGHTMAP0_TEXCOORDS 5
+#define SPA_LIGHTMAP_COLOR 6
 float (entity e, float s)						getsurfacenumpoints = #434;
 vector (entity e, float s, float n)					getsurfacepoint = #435;
 vector (entity e, float s)						getsurfacenormal = #436;
 string (entity e, float s)						getsurfacetexture = #437;
 float (entity e, vector p)						getsurfacenearpoint = #438;
 vector (entity e, float s, vector p)					getsurfaceclippedpoint = #439;
+vector(entity e, float s, float n, float a) getsurfacepointattribute = #486;
+float(entity e, float s) getsurfacenumtriangles = #628;
+vector(entity e, float s, float n) getsurfacetriangle = #629;
+
 
 float (float a, float b) min = #94;
 float (float a, float b, float c) min3 = #94;
diff --git a/data/qcsrc/client/miscfunctions.qc b/data/qcsrc/client/miscfunctions.qc
index 432b5ebf0..d88af4203 100644
--- a/data/qcsrc/client/miscfunctions.qc
+++ b/data/qcsrc/client/miscfunctions.qc
@@ -473,3 +473,28 @@ void drawcolorcodedstring_expanding(vector position, string text, vector scale,
 	if(cvar("menu_font_size_snapping_fix"))
 		drawfontscale = '1 1 0';
 }
+
+// this draws the triangles of a model DIRECTLY. Don't expect high performance, really...
+void PolyDrawModel(entity e)
+{
+	float i_s, i_t;
+	float n_t;
+	vector tri;
+	string tex;
+	for(i_s = 0; ; ++i_s)
+	{
+		tex = getsurfacetexture(e, i_s);
+		if not(tex)
+			break; // this is beyond the last one
+		n_t = getsurfacenumtriangles(e, i_s);
+		for(i_t = 0; i_t < n_t; ++i_t)
+		{
+			tri = getsurfacetriangle(e, i_s, i_t);
+			R_BeginPolygon(tex, 0);
+			R_PolygonVertex(getsurfacepoint(e, i_s, tri_x), getsurfacepointattribute(e, i_s, tri_x, SPA_TEXCOORDS0), '1 1 1', 1);
+			R_PolygonVertex(getsurfacepoint(e, i_s, tri_y), getsurfacepointattribute(e, i_s, tri_y, SPA_TEXCOORDS0), '1 1 1', 1);
+			R_PolygonVertex(getsurfacepoint(e, i_s, tri_z), getsurfacepointattribute(e, i_s, tri_z, SPA_TEXCOORDS0), '1 1 1', 1);
+			R_EndPolygon();
+		}
+	}
+}
-- 
2.39.2