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authorsanine <sanine.not@pm.me>2022-10-04 14:53:08 -0500
committersanine <sanine.not@pm.me>2022-10-04 14:53:08 -0500
commit6d96b0e7ea1d98e44647d0bbbba232701a7d557e (patch)
tree15fa9d310f1db5767b662fb0bb4cad8a560d3650 /src
parent0c55c0e1b48de55fea401ea1b2b3f2280ef0f93c (diff)
add first person demo
Diffstat (limited to 'src')
-rw-r--r--src/gl/window.c48
-rw-r--r--src/glm/camera.c15
-rw-r--r--src/glm/glm.h5
-rw-r--r--src/glm/mat4.c30
-rw-r--r--src/glm/vec3.c103
5 files changed, 176 insertions, 25 deletions
diff --git a/src/gl/window.c b/src/gl/window.c
index b088b86..5ec6fc1 100644
--- a/src/gl/window.c
+++ b/src/gl/window.c
@@ -24,11 +24,14 @@ int window_destroy(lua_State *L);
int window_make_context_current(lua_State *L);
int window_set_hint(lua_State *L);
int window_should_close(lua_State *L);
+int window_set_should_close(lua_State *L);
int window_poll_events(lua_State *L);
int window_swap_buffers(lua_State *L);
int window_set_framebuffer_size_callback(lua_State *L);
int window_get_time(lua_State *L);
int window_get_key(lua_State *L);
+int window_get_cursor_pos(lua_State *L);
+int window_set_input_mode(lua_State *L);
static const char *window_tname = "window";
@@ -55,15 +58,26 @@ void setup_window(lua_State *L, int honey_index)
hs_str_cfunc("makeContextCurrent", window_make_context_current),
hs_str_cfunc("setHint", window_set_hint),
hs_str_cfunc("shouldClose", window_should_close),
+ hs_str_cfunc("setShouldClose", window_set_should_close),
hs_str_cfunc("pollEvents", window_poll_events),
hs_str_cfunc("swapBuffers", window_swap_buffers),
hs_str_cfunc("setFramebufferSizeCallback", window_set_framebuffer_size_callback),
hs_str_cfunc("getTime", window_get_time),
hs_str_cfunc("getKey", window_get_key),
+ hs_str_cfunc("getCursorPos", window_get_cursor_pos),
+ hs_str_cfunc("setInputMode", window_set_input_mode),
hs_str_tbl("hintType", hint_types),
hs_str_tbl("profileType", profile_types),
+ /* input modes */
+ hs_str_int("CURSOR", GLFW_CURSOR),
+
+ /* cursor modes */
+ hs_str_int("CURSOR_NORMAL", GLFW_CURSOR_NORMAL),
+ hs_str_int("CURSOR_HIDDEN", GLFW_CURSOR_HIDDEN),
+ hs_str_int("CURSOR_DISABLED", GLFW_CURSOR_DISABLED),
+
/* key states */
hs_str_int("PRESS", GLFW_PRESS),
hs_str_int("RELEASE", GLFW_RELEASE),
@@ -205,7 +219,7 @@ static void framebuffer_size_callback_(GLFWwindow *win, int width, int height)
lua_pushlightuserdata(wdata->L, win);
lua_pushinteger(wdata->L, width);
lua_pushinteger(wdata->L, height);
- hs_call(wdata->L, 3, 0);
+ lua_call(wdata->L, 3, 0);
}
}
@@ -269,6 +283,16 @@ int window_should_close(lua_State *L)
}
+int window_set_should_close(lua_State *L)
+{
+ GLFWwindow **win = luaL_checkudata(L, 1, window_tname);
+ int value = lua_toboolean(L, 2);
+
+ glfwSetWindowShouldClose(*win, value);
+ return 0;
+}
+
+
int window_poll_events(lua_State *L)
{
glfwPollEvents();
@@ -312,3 +336,25 @@ int window_get_key(lua_State *L)
lua_pushinteger(L, glfwGetKey(*win, key));
return 1;
}
+
+
+int window_get_cursor_pos(lua_State *L)
+{
+ GLFWwindow **win = luaL_checkudata(L, 1, window_tname);
+ double x, y;
+ glfwGetCursorPos(*win, &x, &y);
+ lua_pushnumber(L, x);
+ lua_pushnumber(L, y);
+ return 2;
+}
+
+
+int window_set_input_mode(lua_State *L)
+{
+ GLFWwindow **win = luaL_checkudata(L, 1, window_tname);
+ int mode = luaL_checkinteger(L, 2);
+ int value = luaL_checkinteger(L, 3);
+
+ glfwSetInputMode(*win, mode, value);
+ return 0;
+}
diff --git a/src/glm/camera.c b/src/glm/camera.c
index 7180b77..11d309d 100644
--- a/src/glm/camera.c
+++ b/src/glm/camera.c
@@ -2,15 +2,18 @@
#include <honeysuckle.h>
#include <cglm/cglm.h>
#include "util/util.h"
+#include "glm.h"
int perspective(lua_State *L);
+int look(lua_State *L);
void setup_camera(lua_State *L, int glm_tbl)
{
int tbl = hs_create_table(L,
hs_str_cfunc("perspective", perspective),
+ hs_str_cfunc("look", look),
);
append_table(L, glm_tbl, tbl);
@@ -28,3 +31,15 @@ int perspective(lua_State *L)
glm_perspective(fov, aspect, near, far, *dest);
return 0;
}
+
+
+int look(lua_State *L)
+{
+ float *eye = luaL_checkudata(L, 1, vec3_tname);
+ float *dir = luaL_checkudata(L, 2, vec3_tname);
+ float *up = luaL_checkudata(L, 3, vec3_tname);
+ void *dest = luaL_checkudata(L, 4, mat4_tname);
+
+ glm_look(eye, dir, up, dest);
+ return 0;
+}
diff --git a/src/glm/glm.h b/src/glm/glm.h
index 0667179..8bcf7cc 100644
--- a/src/glm/glm.h
+++ b/src/glm/glm.h
@@ -3,6 +3,11 @@
#include <lua.h>
+
+extern const char *vec3_tname;
+extern const char *mat4_tname;
+
+
void setup_glm(lua_State *L, int honey_index);
void setup_vec3(lua_State *L, int glm_tbl);
void setup_mat4(lua_State *L, int glm_tbl);
diff --git a/src/glm/mat4.c b/src/glm/mat4.c
index 02ef047..5197891 100644
--- a/src/glm/mat4.c
+++ b/src/glm/mat4.c
@@ -9,8 +9,13 @@ int mat4_set(lua_State *L);
int mat4_get(lua_State *L);
int mat4_identity(lua_State *L);
+const char *mat4_tname = "glm.mat4";
+
void setup_mat4(lua_State *L, int glm_tbl)
{
+ luaL_newmetatable(L, mat4_tname);
+ lua_pop(L, 1);
+
int tbl = hs_create_table(L,
hs_str_cfunc("mat4", mat4_create),
hs_str_cfunc("mat4_set", mat4_set),
@@ -26,37 +31,34 @@ void setup_mat4(lua_State *L, int glm_tbl)
int mat4_create(lua_State *L)
{
lua_newuserdata(L, 16*sizeof(float));
+ luaL_getmetatable(L, mat4_tname);
+ lua_setmetatable(L, -2);
return 1;
}
int mat4_set(lua_State *L)
{
- void *ptr;
- lua_Integer index;
- lua_Number value;
- hs_parse_args(L, hs_user(ptr), hs_int(index), hs_num(value));
- array_set(L, 16, ptr, index, value);
+ float *matrix = luaL_checkudata(L, 1, mat4_tname);
+ int index = luaL_checkinteger(L, 2);
+ float value = luaL_checknumber(L, 3);
+ array_set(L, 16, matrix, index, value);
return 0;
}
int mat4_get(lua_State *L)
{
- void *ptr;
- lua_Integer index;
- hs_parse_args(L, hs_user(ptr), hs_int(index));
- array_get(L, 16, ptr, index);
+ float *matrix = luaL_checkudata(L, 1, mat4_tname);
+ int index = luaL_checkinteger(L, 2);
+ array_get(L, 16, matrix, index);
return 1;
}
int mat4_identity(lua_State *L)
{
- void *ptr;
- hs_parse_args(L, hs_user(ptr));
- mat4 *m = ptr;
-
- glm_mat4_identity(*m);
+ void *m = luaL_checkudata(L, 1, mat4_tname);
+ glm_mat4_identity(m);
return 0;
}
diff --git a/src/glm/vec3.c b/src/glm/vec3.c
index 483f5bd..f278471 100644
--- a/src/glm/vec3.c
+++ b/src/glm/vec3.c
@@ -8,12 +8,34 @@ int vec3_create(lua_State *L);
int vec3_set(lua_State *L);
int vec3_get(lua_State *L);
+int vec3_normalize(lua_State *L);
+
+int vec3_add(lua_State *L);
+int vec3_sub(lua_State *L);
+int vec3_scale(lua_State *L);
+int vec3_dot(lua_State *L);
+int vec3_cross(lua_State *L);
+
+const char *vec3_tname = "glm.vec3";
+
+
void setup_vec3(lua_State *L, int glm_tbl)
{
+ luaL_newmetatable(L, vec3_tname);
+ lua_pop(L, 1);
+
int tbl = hs_create_table(L,
hs_str_cfunc("vec3", vec3_create),
hs_str_cfunc("vec3_set", vec3_set),
hs_str_cfunc("vec3_get", vec3_get),
+
+ hs_str_cfunc("vec3_normalize", vec3_normalize),
+
+ hs_str_cfunc("vec3_add", vec3_add),
+ hs_str_cfunc("vec3_sub", vec3_sub),
+ hs_str_cfunc("vec3_scale", vec3_scale),
+ hs_str_cfunc("vec3_dot", vec3_dot),
+ hs_str_cfunc("vec3_cross", vec3_cross),
);
append_table(L, glm_tbl, tbl);
@@ -24,27 +46,88 @@ void setup_vec3(lua_State *L, int glm_tbl)
int vec3_create(lua_State *L)
{
lua_newuserdata(L, 3*sizeof(float));
+ luaL_getmetatable(L, vec3_tname);
+ lua_setmetatable(L, -2);
return 1;
}
int vec3_set(lua_State *L)
{
- void *ptr;
- lua_Integer index;
- lua_Number value;
- hs_parse_args(L, hs_user(ptr), hs_int(index), hs_num(value));
- array_set(L, 3, ptr, index, value);
+ float *vec = luaL_checkudata(L, 1, vec3_tname);
+ int index = luaL_checkinteger(L, 2);
+ double value = luaL_checknumber(L, 3);
+ array_set(L, 3, vec, index, value);
return 0;
}
int vec3_get(lua_State *L)
{
- void *ptr;
- lua_Integer index;
- lua_Number value;
- hs_parse_args(L, hs_user(ptr), hs_int(index));
- array_get(L, 3, ptr, index);
+ float *vec = luaL_checkudata(L, 1, vec3_tname);
+ int index = luaL_checkinteger(L, 2);
+ array_get(L, 3, vec, index);
+ return 1;
+}
+
+
+int vec3_normalize(lua_State *L)
+{
+ float *vec = luaL_checkudata(L, 1, vec3_tname);
+ glm_vec3_normalize(vec);
+ return 0;
+}
+
+
+int vec3_add(lua_State *L)
+{
+ float *a = luaL_checkudata(L, 1, vec3_tname);
+ float *b = luaL_checkudata(L, 2, vec3_tname);
+ float *dest = luaL_checkudata(L, 3, vec3_tname);
+
+ glm_vec3_add(a, b, dest);
+ return 0;
+}
+
+
+int vec3_sub(lua_State *L)
+{
+ float *a = luaL_checkudata(L, 1, vec3_tname);
+ float *b = luaL_checkudata(L, 2, vec3_tname);
+ float *dest = luaL_checkudata(L, 3, vec3_tname);
+
+ glm_vec3_sub(a, b, dest);
+ return 0;
+}
+
+int vec3_scale(lua_State *L)
+{
+ float *v = luaL_checkudata(L, 1, vec3_tname);
+ float s = luaL_checknumber(L, 2);
+ float *dest = luaL_checkudata(L, 3, vec3_tname);
+
+ glm_vec3_scale(v, s, dest);
+ return 0;
+}
+
+
+int vec3_dot(lua_State *L)
+{
+ float *a = luaL_checkudata(L, 1, vec3_tname);
+ float *b = luaL_checkudata(L, 2, vec3_tname);
+
+ float result = glm_vec3_dot(a, b);
+ lua_pushnumber(L, result);
return 1;
}
+
+
+int vec3_cross(lua_State *L)
+{
+ float *a = luaL_checkudata(L, 1, vec3_tname);
+ float *b = luaL_checkudata(L, 2, vec3_tname);
+ float *dest = luaL_checkudata(L, 3, vec3_tname);
+
+ glm_vec3_cross(a, b, dest);
+ return 0;
+}