mirror of
https://github.com/nicbarker/clay.git
synced 2025-09-18 20:46:17 +00:00
104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
|
|
#include "pd_api.h"
|
|
#define CLAY_IMPLEMENTATION
|
|
#include "../../clay.h"
|
|
|
|
#include "../../renderers/playdate/clay_renderer_playdate.c"
|
|
#include "../shared-layouts/clay-video-demo.c"
|
|
|
|
static int update(void *userdata);
|
|
const char *fontpath = "/System/Fonts/Asheville-Sans-14-Bold.pft";
|
|
LCDFont *font = NULL;
|
|
|
|
void HandleClayErrors(Clay_ErrorData errorData) {}
|
|
|
|
struct TextUserData {
|
|
LCDFont *font;
|
|
PlaydateAPI *pd;
|
|
};
|
|
|
|
static struct TextUserData gTextUserData = {.font = NULL, .pd = NULL};
|
|
static ClayVideoDemo_Data demoData;
|
|
|
|
static Clay_Dimensions PlayDate_MeasureText(Clay_StringSlice text,
|
|
Clay_TextElementConfig *config,
|
|
void *userData) {
|
|
// TODO: playdate needs to load fonts at the given size, so need to do that
|
|
// before we can use different font sizes!
|
|
struct TextUserData *textUserData = userData;
|
|
int width = textUserData->pd->graphics->getTextWidth(
|
|
textUserData->font, text.chars,
|
|
utf8_count_codepoints(text.chars, text.length), kUTF8Encoding, 0);
|
|
int height = textUserData->pd->graphics->getFontHeight(textUserData->font);
|
|
return (Clay_Dimensions){
|
|
.width = (float)width,
|
|
.height = (float)height,
|
|
};
|
|
}
|
|
|
|
#ifdef _WINDLL
|
|
__declspec(dllexport)
|
|
#endif
|
|
int eventHandler(PlaydateAPI* pd, PDSystemEvent event, uint32_t arg)
|
|
{
|
|
(void)arg; // arg is currently only used for event = kEventKeyPressed
|
|
|
|
if (event == kEventInit) {
|
|
const char *err;
|
|
font = pd->graphics->loadFont(fontpath, &err);
|
|
|
|
if (font == NULL)
|
|
pd->system->error("%s:%i Couldn't load font %s: %s", __FILE__, __LINE__,
|
|
fontpath, err);
|
|
|
|
gTextUserData.pd = pd;
|
|
gTextUserData.font = font;
|
|
|
|
// Note: If you set an update callback in the kEventInit handler, the system
|
|
// assumes the game is pure C and doesn't run any Lua code in the game
|
|
pd->system->setUpdateCallback(update, pd);
|
|
|
|
uint64_t totalMemorySize = Clay_MinMemorySize();
|
|
Clay_Arena clayMemory = Clay_CreateArenaWithCapacityAndMemory(
|
|
totalMemorySize, pd->system->realloc(NULL, totalMemorySize));
|
|
Clay_Initialize(clayMemory,
|
|
(Clay_Dimensions){(float)pd->display->getWidth(),
|
|
(float)pd->display->getHeight()},
|
|
(Clay_ErrorHandler){HandleClayErrors});
|
|
Clay_SetMeasureTextFunction(PlayDate_MeasureText, &gTextUserData);
|
|
demoData = ClayVideoDemo_Initialize(pd);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define TEXT_WIDTH 86
|
|
#define TEXT_HEIGHT 16
|
|
|
|
int x = (400 - TEXT_WIDTH) / 2;
|
|
int y = (240 - TEXT_HEIGHT) / 2;
|
|
int dx = 1;
|
|
int dy = 2;
|
|
|
|
static int update(void *userdata) {
|
|
PlaydateAPI *pd = userdata;
|
|
|
|
pd->graphics->clear(kColorWhite);
|
|
pd->graphics->setFont(font);
|
|
|
|
Clay_SetPointerState((Clay_Vector2){.x = pd->display->getWidth() / 2.0f,
|
|
.y = pd->display->getHeight() / 2.0f},
|
|
false);
|
|
float crankDelta = pd->system->getCrankChange();
|
|
Clay_UpdateScrollContainers(true, (Clay_Vector2){0, crankDelta * 0.25f},
|
|
pd->system->getElapsedTime());
|
|
Clay_RenderCommandArray renderCommands =
|
|
ClayVideoDemo_CreateLayout(&demoData);
|
|
|
|
Clay_Playdate_Render(pd, renderCommands, font);
|
|
|
|
pd->system->drawFPS(0, 0);
|
|
|
|
return 1;
|
|
}
|