int stopGPUTimer(struct GPUtimer* timer, float* times, int maxTimes)
{
NVG_NOTUSED(timer);
NVG_NOTUSED(times);
NVG_NOTUSED(maxTimes);
return 0;
}
static void key(GLFWwindow* window, int key, int scancode, int action, int mods)
{
NVG_NOTUSED(scancode);
NVG_NOTUSED(mods);
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
}
int stopGPUTimer(GPUtimer* timer, float* times, int maxTimes)
{
NVG_NOTUSED(times);
NVG_NOTUSED(maxTimes);
GLint available = 1;
int n = 0;
if (!timer->supported)
return 0;
glEndQuery(GL_TIME_ELAPSED);
while (available && timer->ret <= timer->cur) {
// check for results if there are any
glGetQueryObjectiv(timer->queries[timer->ret % GPU_QUERY_COUNT], GL_QUERY_RESULT_AVAILABLE, &available);
if (available) {
/* GLuint64 timeElapsed = 0;
glGetQueryObjectui64v(timer->queries[timer->ret % GPU_QUERY_COUNT], GL_QUERY_RESULT, &timeElapsed);
timer->ret++;
if (n < maxTimes) {
times[n] = (float)((double)timeElapsed * 1e-9);
n++;
}*/
}
}
return n;
}
static void key(GLFWwindow* window, int key, int scancode, int action, int mods)
{
NVG_NOTUSED(scancode);
NVG_NOTUSED(mods);
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
if (key == GLFW_KEY_SPACE && action == GLFW_PRESS)
blowup = !blowup;
if (key == GLFW_KEY_S && action == GLFW_PRESS)
screenshot = 1;
if (key == GLFW_KEY_P && action == GLFW_PRESS)
premult = !premult;
}
void drawCheckBox(struct NVGcontext* vg, const char* text, float x, float y, float w, float h)
{
struct NVGpaint bg;
char icon[8];
NVG_NOTUSED(w);
nvgFontSize(vg, 18.0f);
nvgFontFace(vg, "sans");
nvgFillColor(vg, nvgRGBA(255,255,255,160) );
nvgTextAlign(vg,NVG_ALIGN_LEFT|NVG_ALIGN_MIDDLE);
nvgText(vg, x+28,y+h*0.5f,text, NULL);
bg = nvgBoxGradient(vg, x+1,y+(int)(h*0.5f)-9+1, 18,18, 3,3, nvgRGBA(0,0,0,32), nvgRGBA(0,0,0,92) );
nvgBeginPath(vg);
nvgRoundedRect(vg, x+1,y+(int)(h*0.5f)-9, 18,18, 3);
nvgFillPaint(vg, bg);
nvgFill(vg);
nvgFontSize(vg, 40);
nvgFontFace(vg, "icons");
nvgFillColor(vg, nvgRGBA(255,255,255,128) );
nvgTextAlign(vg,NVG_ALIGN_CENTER|NVG_ALIGN_MIDDLE);
nvgText(vg, x+9+2, y+h*0.5f, cpToUTF8(ICON_CHECK,icon), NULL);
}
static void mousebutton(GLFWwindow *window, int button, int action, int mods) {
NVG_NOTUSED(window);
switch(button) {
case 1: button = 2; break;
case 2: button = 1; break;
}
uiSetButton(button, mods, (action==GLFW_PRESS)?1:0);
}
void drawLines(struct NVGcontext* vg, float x, float y, float w, float h, float t)
{
int i, j;
float pad = 5.0f, s = w/9.0f - pad*2;
float pts[4*2], fx, fy;
int joins[3] = {NVG_MITER, NVG_ROUND, NVG_BEVEL};
int caps[3] = {NVG_BUTT, NVG_ROUND, NVG_SQUARE};
NVG_NOTUSED(h);
nvgSave(vg);
pts[0] = -s*0.25f + cosf(t*0.3f) * s*0.5f;
pts[1] = sinf(t*0.3f) * s*0.5f;
pts[2] = -s*0.25f;
pts[3] = 0;
pts[4] = s*0.25f;
pts[5] = 0;
pts[6] = s*0.25f + cosf(-t*0.3f) * s*0.5f;
pts[7] = sinf(-t*0.3f) * s*0.5f;
for (i = 0; i < 3; i++)
{
for (j = 0; j < 3; j++)
{
fx = x + s*0.5f + (i*3+j)/9.0f*w + pad;
fy = y - s*0.5f + pad;
nvgLineCap(vg, caps[i]);
nvgLineJoin(vg, joins[j]);
nvgStrokeWidth(vg, s*0.3f);
nvgStrokeColor(vg, nvgRGBA(0,0,0,160) );
nvgBeginPath(vg);
nvgMoveTo(vg, fx+pts[0], fy+pts[1]);
nvgLineTo(vg, fx+pts[2], fy+pts[3]);
nvgLineTo(vg, fx+pts[4], fy+pts[5]);
nvgLineTo(vg, fx+pts[6], fy+pts[7]);
nvgStroke(vg);
nvgLineCap(vg, NVG_BUTT);
nvgLineJoin(vg, NVG_BEVEL);
nvgStrokeWidth(vg, 1.0f);
nvgStrokeColor(vg, nvgRGBA(0,192,255,255) );
nvgBeginPath(vg);
nvgMoveTo(vg, fx+pts[0], fy+pts[1]);
nvgLineTo(vg, fx+pts[2], fy+pts[3]);
nvgLineTo(vg, fx+pts[4], fy+pts[5]);
nvgLineTo(vg, fx+pts[6], fy+pts[7]);
nvgStroke(vg);
}
}
nvgRestore(vg);
}
void drawLabel(struct NVGcontext* vg, const char* text, float x, float y, float w, float h)
{
NVG_NOTUSED(w);
nvgFontSize(vg, 18.0f);
nvgFontFace(vg, "sans");
nvgFillColor(vg, nvgRGBA(255,255,255,128) );
nvgTextAlign(vg,NVG_ALIGN_LEFT|NVG_ALIGN_MIDDLE);
nvgText(vg, x,y+h*0.5f,text, NULL);
}
static void charevent(GLFWwindow *window, unsigned int value) {
NVG_NOTUSED(window);
uiSetChar(value);
}
static void scrollevent(GLFWwindow *window, double x, double y) {
NVG_NOTUSED(window);
uiSetScroll((int)x, (int)y);
}
static void cursorpos(GLFWwindow *window, double x, double y) {
NVG_NOTUSED(window);
uiSetCursor((int)x,(int)y);
}
void drawParagraph(struct NVGcontext* vg, float x, float y, float width, float height, float mx, float my)
{
struct NVGtextRow rows[3];
struct NVGglyphPosition glyphs[100];
const char* text = "This is longer chunk of text.\n \n Would have used lorem ipsum but she was busy jumping over the lazy dog with the fox and all the men who came to the aid of the party.";
const char* start;
const char* end;
int nrows, i, nglyphs, j, lnum = 0;
float lineh;
float caretx, px;
float bounds[4];
float gx = 0.0f, gy = 0.0f;
int gutter = 0;
NVG_NOTUSED(height);
nvgSave(vg);
nvgFontSize(vg, 18.0f);
nvgFontFace(vg, "sans");
nvgTextAlign(vg, NVG_ALIGN_LEFT|NVG_ALIGN_TOP);
nvgTextMetrics(vg, NULL, NULL, &lineh);
// The text break API can be used to fill a large buffer of rows,
// or to iterate over the text just few lines (or just one) at a time.
// The "next" variable of the last returned item tells where to continue.
start = text;
end = text + strlen(text);
for (nrows = nvgTextBreakLines(vg, start, end, width, rows, 3); 0 != nrows; nrows = nvgTextBreakLines(vg, start, end, width, rows, 3) )
{
for (i = 0; i < nrows; i++) {
struct NVGtextRow* row = &rows[i];
int hit = mx > x && mx < (x+width) && my >= y && my < (y+lineh);
nvgBeginPath(vg);
nvgFillColor(vg, nvgRGBA(255,255,255,hit?64:8) );
nvgRect(vg, x, y, row->width, lineh);
nvgFill(vg);
nvgFillColor(vg, nvgRGBA(255,255,255,255) );
nvgText(vg, x, y, row->start, row->end);
if (hit) {
caretx = (mx < x+row->width/2) ? x : x+row->width;
px = x;
nglyphs = nvgTextGlyphPositions(vg, x, y, row->start, row->end, glyphs, 100);
for (j = 0; j < nglyphs; j++) {
float x0 = glyphs[j].x;
float x1 = (j+1 < nglyphs) ? glyphs[j+1].x : x+row->width;
float tgx = x0 * 0.3f + x1 * 0.7f;
if (mx >= px && mx < tgx)
caretx = glyphs[j].x;
px = tgx;
}
nvgBeginPath(vg);
nvgFillColor(vg, nvgRGBA(255,192,0,255) );
nvgRect(vg, caretx, y, 1, lineh);
nvgFill(vg);
gutter = lnum+1;
gx = x - 10;
gy = y + lineh/2;
}
lnum++;
y += lineh;
}
// Keep going...
start = rows[nrows-1].next;
}
if (gutter)
{
char txt[16];
bx::snprintf(txt, sizeof(txt), "%d", gutter);
nvgFontSize(vg, 13.0f);
nvgTextAlign(vg, NVG_ALIGN_RIGHT|NVG_ALIGN_MIDDLE);
nvgTextBounds(vg, gx,gy, txt, NULL, bounds);
nvgBeginPath(vg);
nvgFillColor(vg, nvgRGBA(255,192,0,255) );
nvgRoundedRect(vg
, bx::fround(bounds[0])-4.0f
, bx::fround(bounds[1])-2.0f
, bx::fround(bounds[2]-bounds[0])+8.0f
, bx::fround(bounds[3]-bounds[1])+4.0f
, (bx::fround(bounds[3]-bounds[1])+4.0f)/2.0f-1.0f
);
nvgFill(vg);
nvgFillColor(vg, nvgRGBA(32,32,32,255) );
nvgText(vg, gx,gy, txt, NULL);
}
y += 20.0f;
nvgFontSize(vg, 13.0f);
nvgTextAlign(vg, NVG_ALIGN_LEFT|NVG_ALIGN_TOP);
nvgTextLineHeight(vg, 1.2f);
nvgTextBoxBounds(vg, x,y, 150, "Hover your mouse over the text to see calculated caret position.", NULL, bounds);
nvgBeginPath(vg);
nvgFillColor(vg, nvgRGBA(220,220,220,255) );
nvgRoundedRect(vg
, bx::fround(bounds[0]-2.0f)
, bx::fround(bounds[1]-2.0f)
, bx::fround(bounds[2]-bounds[0])+4.0f
, bx::fround(bounds[3]-bounds[1])+4.0f
, 3.0f
);
px = float( (int)( (bounds[2]+bounds[0])/2) );
nvgMoveTo(vg, px,bounds[1] - 10);
nvgLineTo(vg, px+7,bounds[1]+1);
nvgLineTo(vg, px-7,bounds[1]+1);
nvgFill(vg);
nvgFillColor(vg, nvgRGBA(0,0,0,220) );
nvgTextBox(vg, x,y, 150, "Hover your mouse over the text to see calculated caret position.", NULL);
nvgRestore(vg);
}
void startGPUTimer(struct GPUtimer* timer)
{
NVG_NOTUSED(timer);
}
void init()
{
#ifdef GRAPHICS
if (!glfwInit()) {
LOG("Failed to init GLFW.");
exit(-1);
}
initGraph(&fps_graph, GRAPH_RENDER_FPS, "Frame Time");
initGraph(&cpu_graph, GRAPH_RENDER_MS, "CPU Time");
initGraph(&gpu_graph, GRAPH_RENDER_MS, "GPU Time");
glfwSetErrorCallback([](int error, const char* desc) {LOG("GLFW error %d: %s\n", error, desc); });
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, 1);
int height = glfwGetVideoMode(glfwGetPrimaryMonitor())->height*0.6, width = height*double(world::width) / double(world::height);
window = glfwCreateWindow(width, height, "PedestrianSimulator", NULL, NULL); if (!window) {
glfwTerminate();
exit(-1);
}
glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods)
{
NVG_NOTUSED(scancode);
NVG_NOTUSED(mods);
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
});
glfwSetMouseButtonCallback(window, [](GLFWwindow* wind, int button, int action, int mods){
static vec_t start_pos;
vecd_t pos;
glfwGetCursorPos(wind, &pos.x, &pos.y);
vec_t world_pos = screen2world({ pos.x, pos.y });
if (action == GLFW_RELEASE)
{
if (button == GLFW_MOUSE_BUTTON_1)
{
world::add_objective({ world_pos, 0 });
}
else if (button == GLFW_MOUSE_BUTTON_2)
{
world::add_objective({ world_pos, 1 });
}
else if (button==GLFW_MOUSE_BUTTON_3)
LOG("click at screen (%.2lf, %.2lf), world (%.2f, %.2f)", pos.x, pos.y, world_pos.x, world_pos.y);
}
else if (action == GLFW_PRESS)
{
if (button == GLFW_MOUSE_BUTTON_2)
{
start_pos = world_pos;
}
}
});
glfwMakeContextCurrent(window);
glewExperimental = GL_TRUE;
if (glewInit() != GLEW_OK) {
LOG("Could not init glew.\n");
exit(-1);
}
glGetError();
vg = nvgCreateGL3(512, 512, NVG_ANTIALIAS | NVG_STENCIL_STROKES);
if (vg == NULL) {
LOG("Could not init nanovg.\n");
exit(-1);
}
nvgCreateFont(vg, "sans", "roboto.ttf");
glfwSwapInterval(0);
initGPUTimer(&gpu_timer);
glfwSetTime(0);
prev_time = glfwGetTime();
#endif
}