feat: ajout fichier 3DS, et debut écriture fonction de chargement fichier 3DS

include/3d.h

@@ -5,6 +5,15 @@
 #include "matrix.h"
 #include "video.h"
 
+typedef struct model3d {
+    u8 name[12];
+    matrix44 view;
+    vector4 **vertexlist;
+    u16 vertexnb;
+    u16 **facelist;
+    u16 facenb;    
+} model3d __attribute__ ((packed));
+
 typedef struct vertex3d {
   union {
     struct {
@@ -18,3 +27,106 @@ typedef struct vertex3d{
 
 void proj(vector4 list[], vertex2d plane[], vector4 origin[], u16 number, float factor);
 void cube(vector4 list[], vector4 *origin, u16 size);
+
+
+/*******************************************************************************/
+/* Fichier 3DS */
+
+#define MAIN3DS       0x4D4D
+
+//>------ Main Chunks
+
+#define EDIT3DS       0x3D3D  // this is the start of the editor config
+#define KEYF3DS       0xB000  // this is the start of the keyframer config
+
+//>------ sub defines of EDIT3DS
+
+#define EDIT_MATERIAL 0xAFFF
+#define EDIT_CONFIG1  0x0100
+#define EDIT_CONFIG2  0x3E3D
+#define EDIT_VIEW_P1  0x7012
+#define EDIT_VIEW_P2  0x7011
+#define EDIT_VIEW_P3  0x7020
+#define EDIT_VIEW1    0x7001
+#define EDIT_BACKGR   0x1200
+#define EDIT_AMBIENT  0x2100
+#define EDIT_OBJECT   0x4000
+
+#define EDIT_UNKNW01  0x1100
+#define EDIT_UNKNW02  0x1201
+#define EDIT_UNKNW03  0x1300
+#define EDIT_UNKNW04  0x1400
+#define EDIT_UNKNW05  0x1420
+#define EDIT_UNKNW06  0x1450
+#define EDIT_UNKNW07  0x1500
+#define EDIT_UNKNW08  0x2200
+#define EDIT_UNKNW09  0x2201
+#define EDIT_UNKNW10  0x2210
+#define EDIT_UNKNW11  0x2300
+#define EDIT_UNKNW12  0x2302 // new chunk type
+#define EDIT_UNKNW13  0x3000
+#define EDIT_UNKNW14  0xAFFF
+
+//>------ sub defines of EDIT_MATERIAL
+#define MAT_NAME01    0xA000  //> includes name (see mli doc for materials)
+
+//>------ sub defines of EDIT_OBJECT
+
+#define OBJ_TRIMESH   0x4100
+#define OBJ_LIGHT     0x4600
+#define OBJ_CAMERA    0x4700
+
+#define OBJ_UNKNWN01  0x4010
+#define OBJ_UNKNWN02  0x4012 //>>---- Could be shadow
+
+//>------ sub defines of OBJ_CAMERA
+#define CAM_UNKNWN01  0x4710 // new chunk type
+#define CAM_UNKNWN02  0x4720 // new chunk type
+
+//>------ sub defines of OBJ_LIGHT
+#define LIT_OFF       0x4620
+#define LIT_SPOT      0x4610
+#define LIT_UNKNWN01  0x465A
+
+//>------ sub defines of OBJ_TRIMESH
+#define TRI_VERTEXL   0x4110
+#define TRI_FACEL2    0x4111 // unknown yet
+#define TRI_FACEL1    0x4120
+#define TRI_SMOOTH    0x4150
+#define TRI_LOCAL     0x4160
+#define TRI_VISIBLE   0x4165
+
+//>>------ sub defs of KEYF3DS
+
+#define KEYF_UNKNWN01 0xB009
+#define KEYF_UNKNWN02 0xB00A
+#define KEYF_FRAMES   0xB008
+#define KEYF_OBJDES   0xB002
+
+#define KEYF_OBJHIERARCH  0xB010
+#define KEYF_OBJDUMMYNAME 0xB011
+#define KEYF_OBJUNKNWN01  0xB013
+#define KEYF_OBJUNKNWN02  0xB014
+#define KEYF_OBJUNKNWN03  0xB015  
+#define KEYF_OBJPIVOT     0xB020  
+#define KEYF_OBJUNKNWN04  0xB021  
+#define KEYF_OBJUNKNWN05  0xB022  
+
+//>>------  these define the different color chunk types
+#define COL_RGB  0x0010
+#define COL_TRU  0x0011
+#define COL_UNK  0x0013 // unknown
+
+//>>------ defines for viewport chunks
+
+#define TOP           0x0001
+#define BOTTOM        0x0002
+#define LEFT          0x0003
+#define RIGHT         0x0004
+#define FRONT         0x0005
+#define BACK          0x0006
+#define USER          0x0007
+#define CAMERA        0x0008 // 0xFFFF is the code read from file
+#define LIGHT         0x0009
+#define DISABLED      0x0010
+#define BOGUS         0x0011

lib/3d.c

@@ -54,3 +54,39 @@ void cube(vector4 list[], vector4 *origin, u16 size)
     list[7].z=origin->z+size;    
     list[7].w=1.0f;
 }
+
+/*******************************************************************************/
+/* Charge un fichier 3DS */
+
+void load3ds(u8 *pointer, model3d *model)
+{
+    u16 chunk;
+    u32 size;
+    bool formatok;
+    while(true) {
+        chunk=(u16) *(pointer);
+        pointer+=2;
+        size=(u32) *(pointer);
+        pointer+=4;
+        switch(chunk)
+        {
+            case MAIN3DS:
+                break;
+            case EDIT3DS:
+                break;
+            case EDIT_OBJECT:
+                break;
+            case OBJ_TRIMESH:
+                break;
+            case TRI_VERTEXL:
+                break;
+            case TRI_FACEL1:
+                break;
+            case TRI_LOCAL:
+                break;
+            default:
+                break;
+        }
+    }
+}
+

lib/VGA/ansi.c

@@ -1,4 +1,4 @@
-u8 ansilogo[]="\
+static u8 ansilogo[]="\
 \033[0m\033[1m\
 \xDA\033[0m\xC4\xC4\033[1;30m\xC4\033[0m\xC4\033[1;30m\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\033[37m \033[0;31mC\033[1;37m \033[31m\x4F\033[37m \033[33mS\033[37m  \033[36m2\033[37m \033[0;36m0\033[1;37m \033[34m0\033[37m \033[0;34m0\033[1;37m \033[0mV2.2.1\033[1m \033[30m\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xC4\xBF\r\n\
 \033[0m\xB3\033[77C\033[1;30m\xB3\r\n\

lib/shell.c

@@ -15,6 +15,7 @@
 #include "math.h"
 #include "debug.h"
 #include "VGA/ansi.c"
+#include "3D/sphere.c"
 
 static command commands[] = {
 	{"reboot"    , "", &rebootnow},
@@ -427,6 +428,8 @@ int test3d()
         print("Mode graphique necessaire afin de lancer ce programme\r\n");
         return 1;
     }
+    model3d model;
+    load3ds(&sphere, &model);
     vector4 list3d[8];
     vertex2d list2d[8];
     matrix44 rotatex,rotatey,rotatez,mrotatex,mrotatey,mrotatez;