Add support for high resolution GeoMod textures

Author: rafalh

docs/CHANGELOG.md

@@ -50,6 +50,7 @@ Version 1.9.0 (not released yet)
 - Add option to disguise as Alpine Faction to avoids AF advertisements and allow playing in servers that reject non-AF players
 - Enable loading RFL version 300
 - Log a warning when RFL uses unsupported event class
+- Add support for high resolution GeoMod textures
 
 [@GooberRF](https://github.com/GooberRF)
 - Fix crash when `verify_level` command is run without a level being loaded

game_patch/misc/level.cpp

@@ -7,6 +7,7 @@
 #include "../os/console.h"
 #include "../rf/multi.h"
 #include "../rf/level.h"
+#include "../rf/geometry.h"
 #include "../rf/file/file.h"
 #include "level.h"
 
@@ -92,6 +93,18 @@ CodeInjection level_load_chunk_inj{
     },
 };
 
+CodeInjection level_blast_ppm_injection{
+    0x00466C00,
+    [](auto& regs) {
+        rf::GSolid* solid = regs.ecx;
+        int bmh = regs.edi;
+        int w = 256, h = 256;
+        rf::bm::get_dimensions(bmh, &w, &h);
+        float ppm = std::min(w, h) / 256.0 * 32.0;
+        solid->set_autotexture_pixels_per_meter(ppm);
+    },
+};
+
 void level_apply_patch()
 {
     // Enable loading RFLs with version 300 (produced by AF editor)
@@ -112,4 +125,7 @@ void level_apply_patch()
     // Load custom rfl chunks
     level_load_init_inj.install();
     level_load_chunk_inj.install();
+
+    // Increase PPM (Pixels per Meter) for GeoMod textures if they have higher dimensions than 256x256
+    level_blast_ppm_injection.install();
 }

game_patch/rf/geometry.h

@@ -115,6 +115,11 @@ namespace rf
         {
             AddrCaller{0x004DF1C0}.this_call(this, in, out, clear_fraction);
         }
+
+        void set_autotexture_pixels_per_meter(float ppm)
+        {
+            AddrCaller{0x004F8730}.this_call(this, ppm);
+        }
     };
     static_assert(sizeof(GSolid) == 0x378);