From cfe2db8135b5332c71a9b844cb5136c4bfd120e3 Mon Sep 17 00:00:00 2001
From: Leo Tenenbaum <pommicket@gmail.com>
Date: Tue, 8 Dec 2020 13:47:38 -0500
Subject: got windows build to work

---
 .gitignore |  2 ++
 main.cpp   |  2 +-
 make.bat   | 10 +++++-----
 sim.cpp    |  9 +++++----
 sim.hpp    |  4 ++++
 5 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/.gitignore b/.gitignore
index 87650be..6001cd5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,5 +10,7 @@ TAGS
 *.exe
 *.dll
 *.xcf
+*.lib
 SDL2
+box2d
 .vs*
diff --git a/main.cpp b/main.cpp
index 9365a48..ad5daaf 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,10 +4,10 @@
 #include "gui.hpp"
 #if DEBUG
 typedef void (*SimFrameFn)(Frame *);
+#include "time.cpp"
 #else
 #include "sim.cpp"
 #endif
-#include "time.cpp"
 
 #ifdef _WIN32
 #include <SDL.h>
diff --git a/make.bat b/make.bat
index a85f7d6..4fdc115 100644
--- a/make.bat
+++ b/make.bat
@@ -5,11 +5,11 @@ if _%VCVARS% == _ (
 )
 if not exist obj mkdir obj
 
-SET CFLAGS=/nologo /W3 /D_CRT_SECURE_NO_WARNINGS /I SDL2/include SDL2/lib/x64/SDL2main.lib SDL2/lib/x64/SDL2.lib opengl32.lib
+SET CFLAGS=/nologo /W3 /D_CRT_SECURE_NO_WARNINGS /I SDL2/include /I box2d SDL2/lib/x64/SDL2main.lib SDL2/lib/x64/SDL2.lib opengl32.lib box2d.lib /MD
 if _%1 == _ (
-	cl main.c /DDEBUG /DEBUG /Zi %CFLAGS% /Fo:obj/urbs /Fe:physics
-	cl sim.c /DDEBUG /DEBUG /LD %CFLAGS% /Fo:obj/sim /Fe:obj/sim
+	cl main.cpp /DDEBUG /DEBUG /Zi %CFLAGS% /Fo:obj/urbs /Fe:physics
+	cl sim.cpp /DDEBUG /DEBUG /LD %CFLAGS% /Fo:obj/sim /Fe:obj/sim
 	echo > obj\sim.dll_changed
 )
-if _%1 == _release cl main.c /O2 %CFLAGS% /Fe:physics
-if _%1 == _profile cl main.c /O2 /DPROFILE %CFLAGS% /Fe:physics
+if _%1 == _release cl main.cpp /O2 %CFLAGS% /Fe:physics
+if _%1 == _profile cl main.cpp /O2 /DPROFILE %CFLAGS% /Fe:physics
diff --git a/sim.cpp b/sim.cpp
index a2bdaf1..906ece9 100644
--- a/sim.cpp
+++ b/sim.cpp
@@ -258,12 +258,12 @@ static b2Body *platform_to_body(State *state, Platform *platform) {
 	return body;
 }
 
-#ifdef _WIN32
-__declspec(dllexport)
-#endif
 #ifdef __cplusplus
 extern "C"
 #endif
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
 void sim_frame(Frame *frame) {
 	if (frame->memory_size < sizeof(State)) {
 		printf("Not enough memory (got %lu, require %lu).\n", (ulong)frame->memory_size, (ulong)sizeof(State));
@@ -295,10 +295,11 @@ void sim_frame(Frame *frame) {
 	glClearColor(0, 0, 0, 1);
 	glClear(GL_COLOR_BUFFER_BIT);
 	
+#if DEBUG
 	if (state->magic_number != MAGIC_NUMBER || keys_pressed[KEY_F5]) {
 		memset(state, 0, sizeof *state);
 	}
-
+#endif
 
 	if (!state->initialized) {
 		logln("Initializing...");
diff --git a/sim.hpp b/sim.hpp
index 176e879..3fdd509 100644
--- a/sim.hpp
+++ b/sim.hpp
@@ -1,4 +1,8 @@
+#if _WIN32
+#include <box2d.h>
+#else
 #include <Box2D/Box2D.h>
+#endif
 // enums with a specified width are a clang C extension & available in C++11
 #if defined __clang__ || __cplusplus >= 201103L
 #define ENUM_U8 typedef enum : u8 
-- 
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