From 7597e71ff301023d74ed45a6cabb9c692f272010 Mon Sep 17 00:00:00 2001
From: bjorn <tie.372@gmail.com>
Date: Mon, 15 May 2017 22:59:53 -0600
Subject: [PATCH] lovr.physics;

---
 src/api/lovr.h        |   2 +
 src/api/physics.c     |  13 +
 src/data/boot.lua     |   4 +-
 src/data/boot.lua.h   | 859 +++++++++++++++++++++---------------------
 src/lovr.c            |   1 +
 src/physics/physics.c |  16 +
 src/physics/physics.h |   5 +
 7 files changed, 472 insertions(+), 428 deletions(-)
 create mode 100644 src/api/physics.c
 create mode 100644 src/physics/physics.c
 create mode 100644 src/physics/physics.h

diff --git a/src/api/lovr.h b/src/api/lovr.h
index bdc68f69..191f68f8 100644
--- a/src/api/lovr.h
+++ b/src/api/lovr.h
@@ -10,6 +10,7 @@ int l_lovrFilesystemInit(lua_State* L);
 int l_lovrGraphicsInit(lua_State* L);
 int l_lovrHeadsetInit(lua_State* L);
 int l_lovrMathInit(lua_State* L);
+int l_lovrPhysicsInit(lua_State* L);
 int l_lovrTimerInit(lua_State* L);
 
 extern const luaL_Reg lovrAudio[];
@@ -23,6 +24,7 @@ extern const luaL_Reg lovrHeadset[];
 extern const luaL_Reg lovrMath[];
 extern const luaL_Reg lovrMesh[];
 extern const luaL_Reg lovrModel[];
+extern const luaL_Reg lovrPhysics[];
 extern const luaL_Reg lovrShader[];
 extern const luaL_Reg lovrSkybox[];
 extern const luaL_Reg lovrSource[];
diff --git a/src/api/physics.c b/src/api/physics.c
new file mode 100644
index 00000000..5e03e541
--- /dev/null
+++ b/src/api/physics.c
@@ -0,0 +1,13 @@
+#include "api/lovr.h"
+#include "physics/physics.h"
+
+int l_lovrPhysicsInit(lua_State* L) {
+  lua_newtable(L);
+  luaL_register(L, NULL, lovrPhysics);
+  lovrPhysicsInit();
+  return 1;
+}
+
+const luaL_Reg lovrPhysics[] = {
+  { NULL, NULL }
+};
diff --git a/src/data/boot.lua b/src/data/boot.lua
index df1d9e92..087993da 100644
--- a/src/data/boot.lua
+++ b/src/data/boot.lua
@@ -5,6 +5,7 @@ local conf = {
     graphics = true,
     headset = true,
     math = true,
+    physics = true,
     timer = true
   },
   headset = {
@@ -19,6 +20,7 @@ if not lovr.filesystem.getSource() or not runnable then
   function lovr.conf(t)
     t.modules.audio = false
     t.modules.math = false
+    t.modules.physics = false
   end
 
   function lovr.load()
@@ -82,7 +84,7 @@ if lovr.conf then
   success, err = pcall(lovr.conf, conf)
 end
 
-local modules = { 'audio', 'event', 'graphics', 'headset', 'math', 'timer' }
+local modules = { 'audio', 'event', 'graphics', 'headset', 'math', 'physics', 'timer' }
 for _, module in ipairs(modules) do
   if conf.modules[module] then
     lovr[module] = require('lovr.' .. module)
diff --git a/src/data/boot.lua.h b/src/data/boot.lua.h
index 0ba0879c..61280e35 100644
--- a/src/data/boot.lua.h
+++ b/src/data/boot.lua.h
@@ -9,443 +9,448 @@ unsigned char boot_lua[] = {
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+  0x64, 0x73, 0x65, 0x74, 0x2e, 0x72, 0x65, 0x6e, 0x64, 0x65, 0x72, 0x54,
+  0x6f, 0x28, 0x72, 0x65, 0x6e, 0x64, 0x65, 0x72, 0x29, 0x0a, 0x20, 0x20,
+  0x20, 0x20, 0x65, 0x6c, 0x73, 0x65, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20,
+  0x20, 0x72, 0x65, 0x6e, 0x64, 0x65, 0x72, 0x28, 0x29, 0x0a, 0x20, 0x20,
+  0x20, 0x20, 0x65, 0x6e, 0x64, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x6c, 0x6f,
+  0x76, 0x72, 0x2e, 0x67, 0x72, 0x61, 0x70, 0x68, 0x69, 0x63, 0x73, 0x2e,
+  0x70, 0x72, 0x65, 0x73, 0x65, 0x6e, 0x74, 0x28, 0x29, 0x0a, 0x20, 0x20,
+  0x20, 0x20, 0x6c, 0x6f, 0x76, 0x72, 0x2e, 0x74, 0x69, 0x6d, 0x65, 0x72,
+  0x2e, 0x73, 0x6c, 0x65, 0x65, 0x70, 0x28, 0x28, 0x6c, 0x6f, 0x76, 0x72,
+  0x2e, 0x68, 0x65, 0x61, 0x64, 0x73, 0x65, 0x74, 0x20, 0x61, 0x6e, 0x64,
+  0x20, 0x6c, 0x6f, 0x76, 0x72, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x73, 0x65,
+  0x74, 0x2e, 0x69, 0x73, 0x50, 0x72, 0x65, 0x73, 0x65, 0x6e, 0x74, 0x28,
+  0x29, 0x29, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x2e, 0x30, 0x30, 0x31, 0x20,
+  0x6f, 0x72, 0x20, 0x2e, 0x31, 0x29, 0x0a, 0x20, 0x20, 0x65, 0x6e, 0x64,
+  0x0a, 0x65, 0x6e, 0x64, 0x0a, 0x0a, 0x69, 0x66, 0x20, 0x6c, 0x6f, 0x76,
+  0x72, 0x2e, 0x66, 0x69, 0x6c, 0x65, 0x73, 0x79, 0x73, 0x74, 0x65, 0x6d,
+  0x2e, 0x69, 0x73, 0x46, 0x69, 0x6c, 0x65, 0x28, 0x27, 0x6d, 0x61, 0x69,
+  0x6e, 0x2e, 0x6c, 0x75, 0x61, 0x27, 0x29, 0x20, 0x74, 0x68, 0x65, 0x6e,
+  0x0a, 0x20, 0x20, 0x72, 0x65, 0x71, 0x75, 0x69, 0x72, 0x65, 0x28, 0x27,
+  0x6d, 0x61, 0x69, 0x6e, 0x27, 0x29, 0x0a, 0x65, 0x6e, 0x64, 0x0a
 };
-unsigned int boot_lua_len = 5374;
+unsigned int boot_lua_len = 5435;
diff --git a/src/lovr.c b/src/lovr.c
index 6157d2a7..a354aa62 100644
--- a/src/lovr.c
+++ b/src/lovr.c
@@ -91,6 +91,7 @@ void lovrInit(lua_State* L, int argc, char** argv) {
   luax_preloadmodule(L, "lovr.graphics", l_lovrGraphicsInit);
   luax_preloadmodule(L, "lovr.headset", l_lovrHeadsetInit);
   luax_preloadmodule(L, "lovr.math", l_lovrMathInit);
+  luax_preloadmodule(L, "lovr.physics", l_lovrPhysicsInit);
   luax_preloadmodule(L, "lovr.timer", l_lovrTimerInit);
 
   // Preload libraries
diff --git a/src/physics/physics.c b/src/physics/physics.c
new file mode 100644
index 00000000..dddf3c05
--- /dev/null
+++ b/src/physics/physics.c
@@ -0,0 +1,16 @@
+#include "physics.h"
+#include <stdlib.h>
+
+void lovrPhysicsInit() {
+  dInitODE();
+
+  if (!dCheckConfiguration("ODE_single_precision")) {
+    error("lovr.physics must use single precision");
+  }
+
+  atexit(lovrPhysicsDestroy);
+}
+
+void lovrPhysicsDestroy() {
+  dCloseODE();
+}
diff --git a/src/physics/physics.h b/src/physics/physics.h
new file mode 100644
index 00000000..a3904b5b
--- /dev/null
+++ b/src/physics/physics.h
@@ -0,0 +1,5 @@
+#include "util.h"
+#include <ode/ode.h>
+
+void lovrPhysicsInit();
+void lovrPhysicsDestroy();