pixie/main.cpp at master · samizzo/pixie · GitHub

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#include"pixie.h"
#include"font.h"
#include"imgui.h"
#include<string.h>
#include<stdio.h>
#include<algorithm>

staticconstTCHAR* WindowTitle = TEXT("Hello, World!");
staticconstint WindowWidth = 640;
staticconstint WindowHeight = 400;

staticvoiddraw(int x, int y, uint32_t* pixels)
{
for (int i = x; i < x+4; i++)
 {
for (int j = y; j < y+4; j++)
 {
if (i < WindowWidth && j < WindowHeight)
 {
int index = (i + (j * WindowWidth));
 pixels[index] = MAKE_RGB(0, 0, 255);
 }
 }
 }
}

intmain(int argc, char** argv)
{
 Pixie::Font font;
if (!font.Load("font.bmp", 9, 16))
 {
#if PIXIE_PLATFORM_WIN
MessageBox(NULL, TEXT("Failed to load font.bmp"), TEXT("Pixie Error"), MB_ICONERROR);
#else
printf("pixie: failed to load font.bmp\n");
#endif
return0;
 }

 Pixie::Window window;
if (!window.Open(WindowTitle, WindowWidth, WindowHeight, false))
 {
#if PIXIE_PLATFORM_WIN
MessageBox(NULL, TEXT("Failed to open window"), TEXT("Pixie Error"), MB_ICONERROR);
#else
printf("pixie: failed to open window\n");
#endif
return0;
 }

uint32_t* pixels = window.GetPixels();

constfloatSPEED = 100.0f;
float x = 0, y = 0;
float xadd = SPEED, yadd = SPEED;
char buf[16] = { 0 };
strcat_s(buf, sizeof(buf), "Hello, World!");

while (!window.HasKeyGoneUp(Pixie::Key_Escape))
 {
Pixie::ImGui::Begin(&window, &font);

float delta = window.GetDelta();

 x += xadd*delta;
 y += yadd*delta;
if (x >= WindowWidth - 1)
 {
 x = WindowWidth - 1;
 xadd = -SPEED;
 }
elseif (x < 0)
 {
 x = 0;
 xadd = SPEED;
 }

if (y >= WindowHeight - 1)
 {
 y = WindowHeight - 1;
 yadd = -SPEED;
 }
elseif (y < 0)
 {
 y = 0;
 yadd = SPEED;
 }

memset(pixels, 0, WindowWidth * WindowHeight * sizeof(uint32_t));

int cx = 0, cy = 0;
for (int i = 0; i < 256; i++)
 {
char buf[128];
sprintf_s(buf, sizeof(buf), "%c", i);
if (cx >= WindowWidth-9)
 {
 cx = 0;
 cy += 16;
 }
 font.Draw(buf, cx, cy, &window);
 cx += 9;
 }

 {
char buf[128];
sprintf_s(buf, sizeof(buf), "%.4f", window.GetTime());
 font.Draw(buf, 10, 90, &window);
 }

draw((int)x, (int)y, pixels);

Pixie::ImGui::FilledRect(10, 240, 100, 100, MAKE_RGB(255, 0, 0), MAKE_RGB(128, 0, 0));

if (Pixie::ImGui::Button("Hello", 100, 100, 100, 30))
strcpy_s(buf, sizeof(buf), "Hello, World!");
if (Pixie::ImGui::Button("Goodbye", 100, 140, 100, 30))
strcpy_s(buf, sizeof(buf), "Goodbye, World!");

Pixie::ImGui::Input(buf, sizeof(buf), 100, 180, 400, 20);

staticbool checked = false;
 checked = Pixie::ImGui::Checkbox("Do the thing", checked, 100, 210);

staticint selection = 0;
if (Pixie::ImGui::RadioButton("Banana", selection == 0, 300, 210))
 selection = 0;
if (Pixie::ImGui::RadioButton("Apple", selection == 1, 300, 230))
 selection = 1;
if (Pixie::ImGui::RadioButton("Pear", selection == 3, 300, 250))
 selection = 3;

for (int i = 0; i < Pixie::MouseButton_Num; i++)
 {
if (window.IsMouseDown((Pixie::MouseButton)i))
 {
Pixie::ImGui::FilledRect((i*33) + 240, 280, 32, 32, MAKE_RGB(255, 0, 0), MAKE_RGB(255, 0, 0));
 }
else
 {
Pixie::ImGui::Rect((i*33) + 240, 280, 32, 32, MAKE_RGB(255, 0, 0));
 }
 }

staticfloat accumTime = 0.0f;
staticint numFrames = 0;
staticfloat avgFrameTime = 0.0f;
 numFrames++;
 accumTime += delta;
if (numFrames == 16)
 {
 avgFrameTime = accumTime / (float)numFrames;
 numFrames = 0;
 accumTime = 0.0f;
 }

int fpsWidth = std::min(WindowWidth, (int)((avgFrameTime*20.0f)*WindowWidth));
Pixie::ImGui::FilledRect(0, 0, fpsWidth, 10, MAKE_RGB(255, 0, 0), MAKE_RGB(255, 0, 0));
Pixie::ImGui::FilledRect((int)((1.0f/60.0f)*20.0f*WindowWidth), 0, 2, 10, MAKE_RGB(0, 255, 0), MAKE_RGB(0, 255, 0));

 {
char buf[128];
sprintf_s(buf, sizeof(buf), "%.2f fps", 1.0f / avgFrameTime);
 font.Draw(buf, 10, 106, &window);
 }

 {
char buf[128];
sprintf_s(buf, sizeof(buf), "%i, %i", window.GetMouseX(), window.GetMouseY());
 font.Draw(buf, 10, 122, &window);
 }

Pixie::ImGui::End();

if (!window.Update())
break;
 }

 window.Close();

printf("done\n");
}