From 354ddb3ed9c069b0b7527e0e3634ada511fada89 Mon Sep 17 00:00:00 2001
From: ABelliqueux <contact@arthus.net>
Date: Sun, 8 Aug 2021 18:23:36 +0200
Subject: [PATCH] Add 'isWall' flag, TMD wip

---
 File-formats-structures.md | 48 ++++++++++++++++++++++++++++++++++++++
 Flags.md                   |  7 ++++--
 2 files changed, 53 insertions(+), 2 deletions(-)

diff --git a/File-formats-structures.md b/File-formats-structures.md
index 95741ce..02ba780 100644
--- a/File-formats-structures.md
+++ b/File-formats-structures.md
@@ -37,3 +37,51 @@ typedef struct TIM_FILE{
     PIXEL pixel[];
 } TIM_FILE;
 ```
+
+### TMD
+
+**WIP**
+
+See http://psx.arthus.net/sdk/Psy-Q/DOCS/FileFormat47.pdf , p.71
+
+```c
+typedef struct TMD_HEADER {
+    u_long ID;       // TMD file version - current is 0x00000041
+    u_long flags;    // LSB (FIXP) is either 0 or 1, all other bits are 0
+    u_long nobj;     // Number of objects in TMD
+} TMD_HEADER;
+
+struct TMD_OBJECT {
+    u_long *vert_top;       // Start address of a vertex - if FIXP is 1, absolute address, else, relative to object's block address
+    u_long n_vert;          // Number of vertices
+    u_long *normal top;     // Start address of a normal  - if FIXP is 1, absolute address, else, relative to object's block address
+    u_long n_normal;        // Number of normals
+    u_long *primitive top;  // Start address of a primitive  - if FIXP is 1, absolute address, else, relative to object's block address
+    u_long n_primitive;     // Number of primitives
+    long scale;             // Scaling factor - scale value is scale factor^2 . -1 is 1/2.
+} TMD_OBJECT;
+
+struct TMD_PACKET {
+    u_short mode, flag;
+    u_short ilen;           // data section length in words
+    u_short olen;           // word length
+    u_long data;
+    } TMD_PACKET;
+struct TMD_VERTEX {
+    short vx, vy, vz;
+    short pad;
+} TMD_VERTEX;
+
+struct TMD_NORMAL {
+    short vx, vy, vz;       // fixed point value with scale 1.0 == 4096
+    short pad;
+} TMD_NORMAL;
+
+typedef struct TMD_FILE {
+    TMD_HEADER header;
+    TMD_OBJECT objTable[];  // objTable has length TMD_HEADER.nobj
+    TMD_PACKET primitive[]; // primtive has length TM_PACKET.ilen
+    TMD_VERTEX vertex;
+    TMD_NORMAL normal;
+} TMD_FILE;
+```
diff --git a/Flags.md b/Flags.md
index cba43f1..f6a2e59 100644
--- a/Flags.md
+++ b/Flags.md
@@ -2,10 +2,12 @@
 
 **Remember this is WIP, so these might change !**
 
-Flags are set in the 'Data' tab of the blender objects.  
+Flags are custom properties set in the 'Data' tab of the blender objects.  
 
 ![Flags](https://wiki.arthus.net/assets/flags.jpg)
 
+A [small blender addon](https://github.com/ABelliqueux/blender_io_export_psx_mesh/blob/main/copy_custom_prop.py) is provided that facilitates copying [flags](https://github.com/ABelliqueux/blender_io_export_psx_mesh/wiki/Flags) between several objects in your scene.
+
 ## Objects flags
 
 ### Physics
@@ -16,6 +18,7 @@ Flags are set in the 'Data' tab of the blender objects.
 <tr><td>isRound  </td><td>          0        </td><td>      boolean      </td><td>Object should roll when pushed.</td></tr>
 <tr><td>isStaticBody  </td><td>          0        </td><td>      boolean      </td><td>Object does not collide with actor.</td></tr>
 <tr><td>isLevel       </td><td>          0        </td><td>      boolean      </td><td>Designate the level planes. Used for BSP and collisions.</td></tr>
+<tr><td>isWall       </td><td>          0        </td><td>      boolean      </td><td>Designate the level walls. Used for collisions.</td></tr>
 <tr><td>mass          </td><td>          1        </td><td>      integer      </td><td>Object's mass</td></tr>
 <tr><td>restitution   </td><td>          0        </td><td>      integer      </td><td>Object's restitution</td></tr>
 </table>
@@ -59,4 +62,4 @@ Flags are set in the 'Data' tab of the blender objects.
 <table>
 <tr><th>Flag</th><th>Default value</th><th>Value type</th><th>Desc.</th></tr> 
 <tr><td>isPortal </td><td>          0        </td><td>      boolean      </td><td>Is a <a href="https://github.com/ABelliqueux/blender_io_export_psx_mesh/wiki/Portals">portal object.</a></td></tr>
-</table>
\ No newline at end of file
+</table>