Fix assignment of animFrame in outState (#75)

Exposed forwardVelocity, animID, and animFrame in outState.

README.md

@@ -14,10 +14,14 @@ project under the `test` directory as well, demonstrating usage of the library.
 ## Bindings and plugins
 
 - [Rust bindings](https://github.com/nickmass/libsm64-rust)
+- [Odin bindings](https://github.com/lammmab/libsm64-odin)
 - [Unity plugin](https://github.com/libsm64/libsm64-unity)
 - [Blender add-on](https://github.com/libsm64/libsm64-blender)
 - [Godot add-on](https://github.com/Brawmario/libsm64-godot)
 - [Game Maker 8 extension](https://github.com/headshot2017/libsm64-gm8)
+- [Unity MelonLoader mod](https://github.com/headshot2017/libsm64-unity-melonloader)
+- [Unity BepInEx plugin](https://github.com/sashaantipov2012/libsm64-unity-bepinex)
+- [C# bindings](https://github.com/MeltyPlayer/libsm64-sharp)
 
 ## Building on Mac and Linux
 

src/libsm64.c

@@ -15,6 +15,7 @@
 #include "decomp/engine/math_util.h"
 #include "decomp/include/sm64.h"
 #include "decomp/include/seq_ids.h"
+#include "decomp/include/types.h"
 #include "decomp/shim.h"
 #include "decomp/memory.h"
 #include "decomp/global_state.h"
@@ -255,7 +256,13 @@ SM64_LIB_FN void sm64_mario_tick( int32_t marioId, const struct SM64MarioInputs
     vec3f_copy( outState->position, gMarioState->pos );
     vec3f_copy( outState->velocity, gMarioState->vel );
     outState->faceAngle = (float)gMarioState->faceAngle[1] / 32768.0f * 3.14159f;
+    outState->forwardVelocity = gMarioState->forwardVel;
     outState->action = gMarioState->action;
+
+    struct AnimInfo animInfo = gMarioState->marioObj->header.gfx.animInfo;
+    outState->animID = animInfo.animID;
+    outState->animFrame = animInfo.animFrame;
+
     outState->flags = gMarioState->flags;
     outState->particleFlags = gMarioState->particleFlags;
     outState->invincTimer = gMarioState->invincTimer;

src/libsm64.h

@@ -58,8 +58,11 @@ struct SM64MarioState
     float position[3];
     float velocity[3];
     float faceAngle;
+    float forwardVelocity;
     int16_t health;
     uint32_t action;
+    int32_t animID;
+    int16_t animFrame;
     uint32_t flags;
     uint32_t particleFlags;
     int16_t invincTimer;