From 504abd5f0c89234ac3c4c4766bc0effbcefbf355 Mon Sep 17 00:00:00 2001
From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Tue, 22 Jul 2003 20:02:16 +0000
Subject: [PATCH] now loads md3 tags

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@3315 d7cf8633-e32d-0410-b094-e92efae38249
---
 model_alias.c  | 19 +++++++++++++++++--
 model_alias.h  |  8 ++++++++
 model_shared.h |  8 ++++++--
 3 files changed, 31 insertions(+), 4 deletions(-)

diff --git a/model_alias.c b/model_alias.c
index 61ee6507..4488936f 100644
--- a/model_alias.c
+++ b/model_alias.c
@@ -723,10 +723,11 @@ void Mod_IDP2_Load(model_t *mod, void *buffer)
 
 void Mod_IDP3_Load(model_t *mod, void *buffer)
 {
-	int i, j, version;
+	int i, j, k, version;
 	md3modelheader_t *pinmodel;
 	md3frameinfo_t *pinframe;
 	md3mesh_t *pinmesh;
+	md3tag_t *pintag;
 	aliasmesh_t *mesh;
 	skinframe_t tempskinframe;
 
@@ -770,7 +771,21 @@ void Mod_IDP3_Load(model_t *mod, void *buffer)
 		loadmodel->animscenes[i].loop = true;
 	}
 
-	// tags are not loaded yet
+	// load tags
+	loadmodel->alias.aliasnum_tagframes = loadmodel->numframes;
+	loadmodel->alias.aliasnum_tags = LittleLong(pinmodel->num_tags);
+	loadmodel->alias.aliasdata_tags = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags * sizeof(aliastag_t));
+	for (i = 0, pintag = (md3tag_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->alias.aliasnum_tagframes * loadmodel->alias.aliasnum_tags;i++, pinframe++)
+	{
+		strcpy(loadmodel->alias.aliasdata_tags[i].name, pintag->name);
+		Matrix4x4_CreateIdentity(&loadmodel->alias.aliasdata_tags[i].matrix);
+		for (j = 0;j < 3;j++)
+		{
+			for (k = 0;k < 3;k++)
+				loadmodel->alias.aliasdata_tags[i].matrix.m[k][j] = LittleLong(pintag->rotationmatrix[j * 3 + k]);
+			loadmodel->alias.aliasdata_tags[i].matrix.m[j][3] = LittleLong(pintag->origin[j]);
+		}
+	}
 
 	// load meshes
 	loadmodel->alias.aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->alias.aliasnum_meshes * sizeof(aliasmesh_t));
diff --git a/model_alias.h b/model_alias.h
index aa15feaf..ba62714a 100644
--- a/model_alias.h
+++ b/model_alias.h
@@ -270,5 +270,13 @@ typedef struct aliasmesh_s
 }
 aliasmesh_t;
 
+typedef struct aliastag_s
+{
+	char name[MD3NAME];
+	matrix4x4_t matrix;
+}
+aliastag_t;
+
+
 #endif
 
diff --git a/model_shared.h b/model_shared.h
index 2de9ec8f..2fc1937d 100644
--- a/model_shared.h
+++ b/model_shared.h
@@ -83,12 +83,12 @@ typedef struct shadowmesh_s
 shadowmesh_t;
 
 
+#include "matrixlib.h"
+
 #include "model_brush.h"
 #include "model_sprite.h"
 #include "model_alias.h"
 
-#include "matrixlib.h"
-
 typedef struct model_alias_s
 {
 	// LordHavoc: Q2/ZYM model support
@@ -98,6 +98,10 @@ typedef struct model_alias_s
 	int				aliasnum_meshes;
 	aliasmesh_t		*aliasdata_meshes;
 
+	int				aliasnum_tags;
+	int				aliasnum_tagframes;
+	aliastag_t		*aliasdata_tags;
+
 	// for Zymotic models
 	int				zymnum_verts;
 	int				zymnum_tris;
-- 
2.39.2