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Merging with new base, dumping obj files to raw binary and loading

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This commit is contained in:
Krzosa Karol
2022-05-17 18:47:06 +02:00
parent 0ffe8f5dc8
commit 6d611d9fab
12 changed files with 3760 additions and 441 deletions
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337
main.cpp
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@@ -25,6 +25,8 @@
/// - [x] FPS Camera
/// - [ ] Quarternions for rotations
/// - [x] Reading OBJ models
/// - [x] Dumping raw obj files
/// - [x] Loading raw obj files, big startup speedup!
/// - [ ] Reading more OBJ formats
/// - [x] Reading OBJ .mtl files
/// - [x] Loading materials
@@ -77,13 +79,10 @@
///
///
#define _CRT_SECURE_NO_WARNINGS
#define PREMULTIPLIED_ALPHA_BLENDING 1
#define PLATFORM
#include "kpl.h"
#define PREMULTIPLIED_ALPHA_BLENDING 1
#include "base.cpp"
#include "kpl_multimedia.h"
#include "kpl_multimedia.cpp"
#include "profile.cpp"
#include "math.h"
@@ -110,9 +109,9 @@ struct R_Render {
F32 *depth320;
};
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
#include "obj_parser.cpp"
#include <float.h>
enum Scene {
Scene_F22,
@@ -120,24 +119,22 @@ enum Scene {
Scene_Count,
};
global F32 light_rotation = 0;
global F32 zfar_value = 100000.f;
GLOBAL F32 light_rotation = 0;
GLOBAL F32 zfar_value = 100000.f;
FUNCTION
function
Vec4 srgb_to_almost_linear(Vec4 a) {
Vec4 result = {a.r*a.r, a.g*a.g, a.b*a.b, a.a};
return result; // @Note: Linear would be to power of 2.2
}
FUNCTION
function
Vec4 almost_linear_to_srgb(Vec4 a) {
Vec4 result = { sqrtf(a.r), sqrtf(a.g), sqrtf(a.b), a.a };
return result;
}
FUNCTION
function
Vec4 premultiplied_alpha(Vec4 dst, Vec4 src) {
Vec4 result;
result.r = src.r + ((1-src.a) * dst.r);
@@ -147,13 +144,13 @@ Vec4 premultiplied_alpha(Vec4 dst, Vec4 src) {
return result;
}
FUNCTION
function
void r_draw_rect(Bitmap* dst, F32 X, F32 Y, F32 w, F32 h, Vec4 color) {
int max_x = (int)(MIN(X + w, dst->x) + 0.5f);
int max_y = (int)(MIN(Y + h, dst->y) + 0.5f);
int min_x = (int)(MAX(0, X) + 0.5f);
int min_y = (int)(MAX(0, Y) + 0.5f);
int max_x = (int)(min(X + w, (F32)dst->x) + 0.5f);
int max_y = (int)(min(Y + h, (F32)dst->y) + 0.5f);
int min_x = (int)(max(0.f, X) + 0.5f);
int min_y = (int)(max(0.f, Y) + 0.5f);
color.rgb *= color.a;
color = srgb_to_almost_linear(color);
for (int y = min_y; y < max_y; y++) {
@@ -167,17 +164,17 @@ void r_draw_rect(Bitmap* dst, F32 X, F32 Y, F32 w, F32 h, Vec4 color) {
}
}
FUNCTION
function
void r_draw_bitmap(Bitmap* dst, Bitmap* src, Vec2 pos, Vec2 size=vec2(F32MAX, F32MAX)) {
I64 minx = (I64)(pos.x + 0.5);
I64 miny = (I64)(pos.y + 0.5);
S64 minx = (S64)(pos.x + 0.5);
S64 miny = (S64)(pos.y + 0.5);
if (size.x == F32MAX || size.y == F32MAX) {
I64 maxx = minx + src->x;
I64 maxy = miny + src->y;
I64 offsetx = 0;
I64 offsety = 0;
S64 maxx = minx + src->x;
S64 maxy = miny + src->y;
S64 offsetx = 0;
S64 offsety = 0;
if (maxx > dst->x) {
maxx = dst->x;
}
@@ -192,10 +189,10 @@ void r_draw_bitmap(Bitmap* dst, Bitmap* src, Vec2 pos, Vec2 size=vec2(F32MAX, F3
offsety = -miny;
miny = 0;
}
for (I64 y = miny; y < maxy; y++) {
for (I64 x = minx; x < maxx; x++) {
I64 tx = x - minx + offsetx;
I64 ty = y - miny + offsety;
for (S64 y = miny; y < maxy; y++) {
for (S64 x = minx; x < maxx; x++) {
S64 tx = x - minx + offsetx;
S64 ty = y - miny + offsety;
U32 *dst_pixel = dst->pixels + (x + y * dst->x);
U32 *pixel = src->pixels + (tx + ty * src->x);
Vec4 result_color = srgb_to_almost_linear(vec4abgr(*pixel));
@@ -208,11 +205,11 @@ void r_draw_bitmap(Bitmap* dst, Bitmap* src, Vec2 pos, Vec2 size=vec2(F32MAX, F3
}
}
else {
I64 maxx = minx + (I64)(size.x + 0.5f);
I64 maxy = miny + (I64)(size.y + 0.5f);
I64 offsetx = 0;
I64 offsety = 0;
S64 maxx = minx + (S64)(size.x + 0.5f);
S64 maxy = miny + (S64)(size.y + 0.5f);
S64 offsetx = 0;
S64 offsety = 0;
if (maxx > dst->x) {
maxx = dst->x;
}
@@ -229,12 +226,12 @@ void r_draw_bitmap(Bitmap* dst, Bitmap* src, Vec2 pos, Vec2 size=vec2(F32MAX, F3
}
F32 distx = (F32)(maxx - minx);
F32 disty = (F32)(maxy - miny);
for (I64 y = miny; y < maxy; y++) {
for (I64 x = minx; x < maxx; x++) {
for (S64 y = miny; y < maxy; y++) {
for (S64 x = minx; x < maxx; x++) {
F32 u = (F32)(x - minx) / distx;
F32 v = (F32)(y - miny) / disty;
I64 tx = (I64)(u * src->x + 0.5f);
I64 ty = (I64)(v * src->y + 0.5f);
S64 tx = (S64)(u * src->x + 0.5f);
S64 ty = (S64)(v * src->y + 0.5f);
U32 *dst_pixel = dst->pixels + (x + y * dst->x);
U32 *pixel = src->pixels + (tx + ty * src->x);
Vec4 result_color = srgb_to_almost_linear(vec4abgr(*pixel));
@@ -249,8 +246,8 @@ void r_draw_bitmap(Bitmap* dst, Bitmap* src, Vec2 pos, Vec2 size=vec2(F32MAX, F3
}
FUNCTION
Vec4 r_base_string(Bitmap *dst, Font *font, S8 word, Vec2 pos, B32 draw) {
function
Vec4 r_base_string(Bitmap *dst, Font *font, String word, Vec2 pos, B32 draw) {
Vec2 og_position = pos;
F32 max_x = pos.x;
for (U64 i = 0; i < word.len; i++) {
@@ -274,65 +271,65 @@ Vec4 r_base_string(Bitmap *dst, Font *font, S8 word, Vec2 pos, B32 draw) {
return rect;
}
FUNCTION
Vec4 r_draw_string(Bitmap *dst, Font *font, S8 word, Vec2 pos) {
function
Vec4 r_draw_string(Bitmap *dst, Font *font, String word, Vec2 pos) {
return r_base_string(dst, font, word, pos, true);
}
FUNCTION
Vec4 r_get_string_rect(Font *font, S8 word, Vec2 pos) {
function
Vec4 r_get_string_rect(Font *font, String word, Vec2 pos) {
return r_base_string(0, font, word, pos, false);
}
FUNCTION
function
F32 edge_function(Vec4 vecp0, Vec4 vecp1, Vec4 p) {
F32 result = (vecp1.y - vecp0.y) * (p.x - vecp0.x) - (vecp1.x - vecp0.x) * (p.y - vecp0.y);
return result;
}
FUNCTION
function
void draw_triangle_nearest(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 light_direction,
Vec4 p0, Vec4 p1, Vec4 p2,
Vec2 tex0, Vec2 tex1, Vec2 tex2,
Vec3 norm0, Vec3 norm1, Vec3 norm2) {
Vec4 p0, Vec4 p1, Vec4 p2,
Vec2 tex0, Vec2 tex1, Vec2 tex2,
Vec3 norm0, Vec3 norm1, Vec3 norm2) {
if(os.frame > 60) PROFILE_BEGIN(draw_triangle);
F32 min_x1 = (F32)(MIN(p0.x, MIN(p1.x, p2.x)));
F32 min_y1 = (F32)(MIN(p0.y, MIN(p1.y, p2.y)));
F32 max_x1 = (F32)(MAX(p0.x, MAX(p1.x, p2.x)));
F32 max_y1 = (F32)(MAX(p0.y, MAX(p1.y, p2.y)));
I64 min_x = (I64)MAX(0, floor(min_x1));
I64 min_y = (I64)MAX(0, floor(min_y1));
I64 max_x = (I64)MIN(dst->x, ceil(max_x1));
I64 max_y = (I64)MIN(dst->y, ceil(max_y1));
F32 min_x1 = (F32)(min(p0.x, min(p1.x, p2.x)));
F32 min_y1 = (F32)(min(p0.y, min(p1.y, p2.y)));
F32 max_x1 = (F32)(max(p0.x, max(p1.x, p2.x)));
F32 max_y1 = (F32)(max(p0.y, max(p1.y, p2.y)));
S64 min_x = (S64)max(0.f, floor(min_x1));
S64 min_y = (S64)max(0.f, floor(min_y1));
S64 max_x = (S64)min((F32)dst->x, ceil(max_x1));
S64 max_y = (S64)min((F32)dst->y, ceil(max_y1));
F32 dy10 = (p1.y - p0.y);
F32 dy21 = (p2.y - p1.y);
F32 dy02 = (p0.y - p2.y);
F32 dx10 = (p1.x - p0.x);
F32 dx21 = (p2.x - p1.x);
F32 dx02 = (p0.x - p2.x);
F32 C0 = dy10 * (p0.x) - dx10 * (p0.y);
F32 C1 = dy21 * (p1.x) - dx21 * (p1.y);
F32 C2 = dy02 * (p2.x) - dx02 * (p2.y);
F32 Cy0 = dy10 * min_x - dx10 * min_y - C0;
F32 Cy1 = dy21 * min_x - dx21 * min_y - C1;
F32 Cy2 = dy02 * min_x - dx02 * min_y - C2;
U32 *destination = dst->pixels + dst->x*min_y;
F32 area = (p1.y - p0.y) * (p2.x - p0.x) - (p1.x - p0.x) * (p2.y - p0.y);
for (I64 y = min_y; y < max_y; y++) {
for (S64 y = min_y; y < max_y; y++) {
F32 Cx0 = Cy0;
F32 Cx1 = Cy1;
F32 Cx2 = Cy2;
for (I64 x = min_x; x < max_x; x++) {
for (S64 x = min_x; x < max_x; x++) {
if (Cx0 >= 0 && Cx1 >= 0 && Cx2 >= 0) {
F32 w1 = Cx1 / area;
F32 w2 = Cx2 / area;
F32 w3 = Cx0 / area;
// @Note: We could do: interpolated_w = 1.f / interpolated_w to get proper depth
// but why waste an instruction, the smaller the depth value the farther the object
F32 interpolated_w = (1.f / p0.w) * w1 + (1.f / p1.w) * w2 + (1.f / p2.w) * w3;
@@ -342,7 +339,7 @@ void draw_triangle_nearest(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 lig
F32 invw0 = (w1 / p0.w);
F32 invw1 = (w2 / p1.w);
F32 invw2 = (w3 / p2.w);
Vec3 norm = (norm0 * invw0 + norm1 * invw1 + norm2 * invw2) / interpolated_w;
F32 u = tex0.x * invw0 + tex1.x * invw1 + tex2.x * invw2;
F32 v = tex0.y * invw0 + tex1.y * invw1 + tex2.y * invw2;
@@ -356,14 +353,14 @@ void draw_triangle_nearest(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 lig
u = u * (src->x - 1);
v = v * (src->y - 1);
}
I64 ui = (I64)(u);
I64 vi = (I64)(v);
F32 udiff = u - (F32)ui;
F32 vdiff = v - (F32)vi;
S64 ui = (S64)(u);
S64 vi = (S64)(v);
//F32 udiff = u - (F32)ui;
//F32 vdiff = v - (F32)vi;
// Origin UV (0,0) is in bottom left
U32 *dst_pixel = destination + x;
U32 *pixel = src->pixels + (ui + (src->y - 1ll - vi) * src->x);
#if PREMULTIPLIED_ALPHA_BLENDING
Vec4 result_color; {
U32 c = *pixel;
@@ -386,24 +383,24 @@ void draw_triangle_nearest(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 lig
r*=r; g*=g; b*=b;
dst_color = { r,g,b,a };
}
Vec3 light_color = vec3(0.8,0.8,1);
constexpr F32 ambient_strength = 0.1f; {
Vec3 ambient = ambient_strength * light_color;
Vec3 diffuse = CLAMP_BOT(0, -dot(norm, light_direction)) * light_color;
Vec3 diffuse = clamp_bot(0.f, -dot(norm, light_direction)) * light_color;
result_color.rgb *= (ambient+diffuse);
}
result_color = premultiplied_alpha(dst_color, result_color);
result_color = almost_linear_to_srgb(result_color);
U32 color32 = vec4_to_u32abgr(result_color);
#else
U32 color32 = *pixel;
#endif
*dst_pixel = color32;
}
}
@@ -420,33 +417,33 @@ void draw_triangle_nearest(Bitmap* dst, F32 *depth_buffer, Bitmap *src, Vec3 lig
if(os.frame > 60) PROFILE_END(draw_triangle);
}
FUNCTION
function
void draw_triangle_bilinear(Bitmap* dst, F32 *depth_buffer, Bitmap *src, F32 light,
Vec4 p0, Vec4 p1, Vec4 p2,
Vec2 tex0, Vec2 tex1, Vec2 tex2) {
F32 min_x1 = (F32)(MIN(p0.x, MIN(p1.x, p2.x)));
F32 min_y1 = (F32)(MIN(p0.y, MIN(p1.y, p2.y)));
F32 max_x1 = (F32)(MAX(p0.x, MAX(p1.x, p2.x)));
F32 max_y1 = (F32)(MAX(p0.y, MAX(p1.y, p2.y)));
I64 min_x = (I64)MAX(0, floor(min_x1));
I64 min_y = (I64)MAX(0, floor(min_y1));
I64 max_x = (I64)MIN(dst->x, ceil(max_x1));
I64 max_y = (I64)MIN(dst->y, ceil(max_y1));
Vec4 p0, Vec4 p1, Vec4 p2,
Vec2 tex0, Vec2 tex1, Vec2 tex2) {
F32 min_x1 = (F32)(min(p0.x, min(p1.x, p2.x)));
F32 min_y1 = (F32)(min(p0.y, min(p1.y, p2.y)));
F32 max_x1 = (F32)(max(p0.x, max(p1.x, p2.x)));
F32 max_y1 = (F32)(max(p0.y, max(p1.y, p2.y)));
S64 min_x = (S64)max(0.f, floor(min_x1));
S64 min_y = (S64)max(0.f, floor(min_y1));
S64 max_x = (S64)min((F32)dst->x, ceil(max_x1));
S64 max_y = (S64)min((F32)dst->y, ceil(max_y1));
F32 area = edge_function(p0, p1, p2);
for (I64 y = min_y; y < max_y; y++) {
for (I64 x = min_x; x < max_x; x++) {
for (S64 y = min_y; y < max_y; y++) {
for (S64 x = min_x; x < max_x; x++) {
F32 edge0 = edge_function(p0, p1, { (F32)x,(F32)y });
F32 edge1 = edge_function(p1, p2, { (F32)x,(F32)y });
F32 edge2 = edge_function(p2, p0, { (F32)x,(F32)y });
if (edge0 >= 0 && edge1 >= 0 && edge2 >= 0) {
F32 w1 = edge1 / area;
F32 w2 = edge2 / area;
F32 w3 = edge0 / area;
F32 interpolated_w = (1.f / p0.w) * w1 + (1.f / p1.w) * w2 + (1.f / p2.w) * w3;
F32 u = tex0.x * (w1 / p0.w) + tex1.x * (w2 / p1.w) + tex2.x * (w3 / p2.w);
F32 v = tex0.y * (w1 / p0.w) + tex1.y * (w2 / p1.w) + tex2.y * (w3 / p2.w);
u /= interpolated_w;
@@ -458,14 +455,14 @@ void draw_triangle_bilinear(Bitmap* dst, F32 *depth_buffer, Bitmap *src, F32 lig
*depth = interpolated_w;
u = u * (src->x - 2);
v = v * (src->y - 2);
I64 ui = (I64)(u);
I64 vi = (I64)(v);
S64 ui = (S64)(u);
S64 vi = (S64)(v);
F32 udiff = u - (F32)ui;
F32 vdiff = v - (F32)vi;
// Origin UV (0,0) is in bottom left
U32 *pixel = src->pixels + (ui + (src->y - 1ll - vi) * src->x);
U32 *dst_pixel = dst->pixels + (x + y * dst->x);
Vec4 pixelx1y1 = vec4abgr(*pixel);
Vec4 pixelx2y1 = vec4abgr(*(pixel + 1));
Vec4 pixelx1y2 = vec4abgr(*(pixel - src->x));
@@ -487,7 +484,7 @@ void draw_triangle_bilinear(Bitmap* dst, F32 *depth_buffer, Bitmap *src, F32 lig
#endif // PREMULTIPLIED_ALPHA_BLENDING
result_color = almost_linear_to_srgb(result_color);
U32 color32 = vec4_to_u32abgr(result_color);
*dst_pixel = color32;
}
}
@@ -495,10 +492,10 @@ void draw_triangle_bilinear(Bitmap* dst, F32 *depth_buffer, Bitmap *src, F32 lig
}
}
FUNCTION
void r_scatter_plot(Bitmap *dst, F64 *data, I64 data_len) {
function
void r_scatter_plot(Bitmap *dst, F64 *data, S64 data_len) {
F64 min = F32MAX;
F64 max = FLT_MIN;
F64 max = F32MIN;
F64 step = dst->x / (F64)data_len;
for (U32 i = 0; i < data_len; i++) {
if (min > data[i]) min = data[i];
@@ -516,13 +513,13 @@ void r_scatter_plot(Bitmap *dst, F64 *data, I64 data_len) {
}
}
FUNCTION
void r_draw_mesh(R_Render *r, S8 scene_name, OBJMaterial *materials, ObjMesh *mesh, Vec3 *vertices, Vec2 *tex_coords, Vec3 *normals) {
function
void r_draw_mesh(R_Render *r, String scene_name, Obj_Material *materials, Obj_Mesh *mesh, Vec3 *vertices, Vec2 *tex_coords, Vec3 *normals) {
for (int i = 0; i < mesh->indices.len; i++) {
ObjIndex *index = mesh->indices.e + i;
Obj_Index *index = mesh->indices.data + i;
Bitmap *image = &r->img;
if(index->material_id != -1) {
OBJMaterial *material = materials + index->material_id;
Obj_Material *material = materials + index->material_id;
// @Todo: No size info from OBJ things, this stuff needs a bit of refactor
// Need to figure out how to accomodate multiple possible formats of input etc.
if(material->texture_ambient.pixels) {
@@ -547,13 +544,13 @@ void r_draw_mesh(R_Render *r, S8 scene_name, OBJMaterial *materials, ObjMesh *me
normals[index->normal[2] - 1],
},
};
//@Note: Transform
for (int j = 0; j < 3; j++) {
vert[j].pos = r->transform * vert[j].pos;
}
Vec3 p0_to_camera = r->camera_pos - vert[0].pos;
Vec3 p0_to_p1 = vert[1].pos - vert[0].pos;
Vec3 p0_to_p2 = vert[2].pos - vert[0].pos;
@@ -584,7 +581,7 @@ void r_draw_mesh(R_Render *r, S8 scene_name, OBJMaterial *materials, ObjMesh *me
B32 vertex_is_outside = false;
Vec3 zfar_normal = vec3(0, 0, -1);
Vec3 zfar_pos = vec3(0, 0, zfar_value);
for (I32 j = 0; j < 3; j++) {
for (S32 j = 0; j < 3; j++) {
// @Note: Camera
vert[j].pos = r->camera * vert[j].pos;
// @Note: Skip triangle if even one vertex gets outside the clipping plane
@@ -593,22 +590,22 @@ void r_draw_mesh(R_Render *r, S8 scene_name, OBJMaterial *materials, ObjMesh *me
break;
}
}
if (vertex_is_outside) {
continue;
}
// @Note: Znear, clip triangles to the near clipping plane
Vec3 znear_normal = vec3(0, 0, 1);
Vec3 znear_pos = vec3(0, 0, 1.f);
struct _R_Vertex {
Vec4 pos;
Vec2 tex;
Vec3 norm;
} in[4];
I32 in_count = 0;
S32 in_count = 0;
R_Vertex *prev = vert + 2;
R_Vertex *curr = vert;
F32 prev_dot = dot(znear_normal, prev->pos - znear_pos);
@@ -629,12 +626,12 @@ void r_draw_mesh(R_Render *r, S8 scene_name, OBJMaterial *materials, ObjMesh *me
prev = curr++;
prev_dot = curr_dot;
}
if (in_count == 0) {
continue;
}
for(I64 j = 0; j < in_count; j++) {
for(S64 j = 0; j < in_count; j++) {
//@Note: Perspective
in[j].pos = r->projection * in[j].pos;
in[j].pos.x = in[j].pos.x / in[j].pos.w;
@@ -651,9 +648,9 @@ void r_draw_mesh(R_Render *r, S8 scene_name, OBJMaterial *materials, ObjMesh *me
if (in_count > 3) {
draw_triangle_nearest(&r->screen320, r->depth320, image, light_direction, in[0].pos, in[2].pos, in[3].pos, in[0].tex, in[2].tex, in[3].tex, in[0].norm, in[2].norm, in[3].norm);
}
#if 1
#if 0
ProfileScope *scope = profile_scopes + ProfileScopeName_draw_triangle;
LOCAL_PERSIST B32 profile_flag;
if (!profile_flag && scope->i > 2000) {
@@ -661,19 +658,21 @@ void r_draw_mesh(R_Render *r, S8 scene_name, OBJMaterial *materials, ObjMesh *me
save_profile_data(scope, scene_name, LIT("draw_triangle"));
}
#endif
}
}
}
#include "ui.cpp"
F32 speed = 100.f;
F32 rotation = 0;
Obj f22;
Obj sponza;
Obj *obj;
R_Render r = {};
GLOBAL Scene scene = Scene_Sponza;
#include "ui.cpp"
global F32 speed = 100.f;
global F32 rotation = 0;
global Obj f22;
global Obj *sponza;
global Obj *obj;
global R_Render r = {};
global Scene scene = Scene_Sponza;
function
UI_SIGNAL_CALLBACK(scene_callback) {
switch(scene) {
case Scene_F22: {
@@ -684,57 +683,45 @@ UI_SIGNAL_CALLBACK(scene_callback) {
case Scene_Sponza: {
speed = 100;
r.camera_pos = vec3(0,0,-2);
obj = &sponza;
obj = sponza;
} break;
case Scene_Count:
INVALID_DEFAULT_CASE;
invalid_default_case;
}
scene = (Scene)(((int)scene + 1) % Scene_Count);
}
int main() {
int main(int argc, char **argv) {
os.window_size.x = 320*2;
os.window_size.y = 180*2;
os.window_resizable = 1;
os_init().error_is_fatal();
S8List list = {};
string_push(os.frame_arena, &list, LIT("main.cpp"));
generate_documentation(list, LIT("README.md"));
Font font = os_load_font(os.perm_arena, 24, "Arial");
for (U32 i = 0; i < font.glyphs_len; i++) {
FontGlyph *g = font.glyphs + i;
U32 *pointer = g->bitmap.pixels;
for (I32 y = 0; y < g->bitmap.y; y++) {
for (I32 x = 0; x < g->bitmap.x; x++) {
Vec4 color = vec4abgr(*pointer);
color.rgb *= color.a;
*pointer++ = vec4_to_u32abgr(color);
}
}
}
assert(os_init());
Font font = os_load_font(os.perm_arena, 24, "Arial", 0);
f22 = load_obj(&os_process_heap, "assets/f22.obj"_s);
//Obj sponza_obj = load_obj(&os_process_heap, "assets/sponza/sponza.obj"_s);
//sponza = &sponza_obj;
//dump_obj_to_file(sponza);
sponza = load_obj_dump(os.perm_arena, "sponza.bin"_s);
f22 = load_obj(os.perm_arena, LIT("assets/f22.obj"));
sponza = load_obj(os.perm_arena, LIT("assets/sponza/sponza.obj"));
scene_callback();
int screen_x = 1280/2;
int screen_y = 720/2;
r.camera_pos = {0,0,-2};
r.screen320 = {(U32 *)PUSH_SIZE(os.perm_arena, screen_x*screen_y*sizeof(U32)), screen_x, screen_y};
r.plot = {(U32 *)PUSH_SIZE(os.perm_arena, 1280*720*sizeof(U32)), 1280, 720};
r.depth320 = (F32 *)PUSH_SIZE(os.perm_arena, sizeof(F32) * screen_x * screen_y);
r.img = load_image("assets/bricksx64.png");
r.screen320 = {(U32 *)arena_push_size(os.perm_arena, screen_x*screen_y*sizeof(U32)), screen_x, screen_y};
r.plot = {(U32 *)arena_push_size(os.perm_arena, 1280*720*sizeof(U32)), 1280, 720};
r.depth320 = (F32 *)arena_push_size(os.perm_arena, sizeof(F32) * screen_x * screen_y);
r.img = load_image("assets/bricksx64.png"_s);
/* @Note: Transparent texture */ {
#if 0
Vec4 testc = vec4(1, 1, 1, 0.5f);
testc.rgb *= testc.a;
U32 testc32 = vec4_to_u32abgr(testc);
U32 a[] = { d
testc32, testc32, testc32, testc32,
testc32, testc32, testc32, testc32,
testc32, testc32, testc32, testc32,
testc32, testc32, testc32, testc32,
testc32, testc32, testc32, testc32,
@@ -745,17 +732,17 @@ int main() {
#endif
}
S8 frame_data = {};
String frame_data = {};
UISetup setup[] = {
UI_SIGNAL(LIT("Change scene"), scene_callback),
UI_SIGNAL("Change scene"_s, scene_callback),
UI_IMAGE(&r.plot),
UI_LABEL(&frame_data),
};
UI ui = ui_make(os.perm_arena, setup, ARRAY_CAP(setup));
UI ui = ui_make(setup, buff_cap(setup));
B32 ui_mouse_lock = true;
while (os_game_loop()) {
@@ -794,7 +781,7 @@ int main() {
*dp++ = -F32MAX;
}
}
Mat4 camera_rotation = mat4_rotation_y(r.camera_yaw.x) * mat4_rotation_x(r.camera_yaw.y);
r.camera_direction = (camera_rotation * vec4(0,0,1,1)).xyz;
@@ -804,14 +791,14 @@ int main() {
r.transform = mat4_rotation_z(rotation);
r.transform = r.transform * mat4_rotation_y(rotation);
for (int i = 0; i < obj->mesh.len; i++) {
Vec2* tex_coords = (Vec2*)obj->texture_coordinates.e;
Vec3 *normals = (Vec3 *)obj->normals.e;
ObjMesh *mesh = obj->mesh.e;
Vec3* vertices = (Vec3 *)obj->vertices.e;
r_draw_mesh(&r, obj->name, obj->materials.e, mesh+i, vertices, tex_coords, normals);
Vec2* tex_coords = (Vec2*)obj->texture_coordinates.data;
Vec3 *normals = (Vec3 *)obj->normals.data;
Obj_Mesh *mesh = obj->mesh.data;
Vec3* vertices = (Vec3 *)obj->vertices.data;
r_draw_mesh(&r, obj->name, obj->materials.data, mesh+i, vertices, tex_coords, normals);
}
// @Note: Draw 320screen to OS screen
U32* ptr = os.screen->pixels;
for (int y = 0; y < os.screen->y; y++) {
@@ -824,7 +811,7 @@ int main() {
}
}
ui_end_frame(os.screen, &ui, &font);
frame_data = string_format(os.frame_arena, "FPS:%f dt:%f frame:%u", os.fps, os.delta_time, os.frame);
frame_data = string_fmt(os.frame_arena, "FPS:%f dt:%f frame:%u", os.fps, os.delta_time, os.frame);
}
}