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-rw-r--r--src/ui_menu.cpp275
1 files changed, 275 insertions, 0 deletions
diff --git a/src/ui_menu.cpp b/src/ui_menu.cpp
new file mode 100644
index 0000000..775ea81
--- /dev/null
+++ b/src/ui_menu.cpp
@@ -0,0 +1,275 @@
+#include <ui_menu.hpp>
+
+extern bool gameRunning;
+
+extern Menu *currentMenu;
+extern Menu pauseMenu;
+
+void Menu::
+gotoParent( void )
+{
+ if ( !parent ) {
+ currentMenu = NULL;
+ config::update();
+ } else
+ currentMenu = parent;
+}
+
+void Menu::
+gotoChild( void )
+{
+ currentMenu = child;
+}
+
+namespace ui {
+ namespace menu {
+ menuItem createButton(vec2 l, dim2 d, Color c, const char* t, menuFunc f){
+ menuItem temp;
+
+ temp.member = 0;
+ temp.button.loc = l;
+ temp.button.dim = d;
+ temp.button.color = c;
+ temp.button.text = t;
+ temp.button.func = f;
+
+ return temp;
+ }
+
+ menuItem createChildButton(vec2 l, dim2 d, Color c, const char* t){
+ menuItem temp;
+
+ temp.member = -1;
+ temp.button.loc = l;
+ temp.button.dim = d;
+ temp.button.color = c;
+ temp.button.text = t;
+ temp.button.func = NULL;
+
+ return temp;
+ }
+
+ menuItem createParentButton(vec2 l, dim2 d, Color c, const char* t){
+ menuItem temp;
+
+ temp.member = -2;
+ temp.button.loc = l;
+ temp.button.dim = d;
+ temp.button.color = c;
+ temp.button.text = t;
+ temp.button.func = NULL;
+
+ return temp;
+ }
+
+ menuItem createSlider(vec2 l, dim2 d, Color c, float min, float max, const char* t, float* v){
+ menuItem temp;
+
+ temp.member = 1;
+ temp.slider.loc = l;
+ temp.slider.dim = d;
+ temp.slider.color = c;
+ temp.slider.minValue = min;
+ temp.slider.maxValue = max;
+ temp.slider.text = t;
+ temp.slider.var = v;
+ temp.slider.sliderLoc = *v;
+
+ return temp;
+ }
+
+ void draw( void ) {
+ SDL_Event e;
+
+ setFontSize(24);
+ config::update();
+
+ mouse.x = ui::premouse.x+offset.x-(SCREEN_WIDTH/2);
+ mouse.y = (offset.y+SCREEN_HEIGHT/2)-ui::premouse.y;
+
+ //custom event polling for menu's so all other events are ignored
+ while(SDL_PollEvent(&e)){
+ switch(e.type){
+ case SDL_QUIT:
+ gameRunning = false;
+ return;
+ break;
+ case SDL_MOUSEMOTION:
+ premouse.x=e.motion.x;
+ premouse.y=e.motion.y;
+ break;
+ case SDL_KEYUP:
+ if(SDL_KEY == SDLK_ESCAPE){
+ currentMenu->gotoParent();
+ return;
+ }
+ break;
+ default:break;
+ }
+ }
+
+ //draw the dark transparent background
+ glColor4f(0.0f, 0.0f, 0.0f, .8f);
+ glRectf(offset.x-SCREEN_WIDTH/2,0,offset.x+SCREEN_WIDTH/2,SCREEN_HEIGHT);
+
+ //loop through all elements of the menu
+ for(auto &m : currentMenu->items){
+ //if the menu is any type of button
+ if(m.member == 0 || m.member == -1 || m.member == -2){
+
+ //draw the button background
+ glColor3f(m.button.color.red,m.button.color.green,m.button.color.blue);
+ glRectf(offset.x+m.button.loc.x,
+ offset.y+m.button.loc.y,
+ offset.x+m.button.loc.x + m.button.dim.x,
+ offset.y+m.button.loc.y + m.button.dim.y);
+ //draw the button text
+ putStringCentered(offset.x + m.button.loc.x + (m.button.dim.x/2),
+ (offset.y + m.button.loc.y + (m.button.dim.y/2)) - ui::fontSize/2,
+ m.button.text);
+
+ //tests if the mouse is over the button
+ if(mouse.x >= offset.x+m.button.loc.x && mouse.x <= offset.x+m.button.loc.x + m.button.dim.x){
+ if(mouse.y >= offset.y+m.button.loc.y && mouse.y <= offset.y+m.button.loc.y + m.button.dim.y){
+
+ //if the mouse if over the button, it draws this white outline
+ glColor3f(1.0f,1.0f,1.0f);
+ glBegin(GL_LINE_STRIP);
+ glVertex2f(offset.x+m.button.loc.x, offset.y+m.button.loc.y);
+ glVertex2f(offset.x+m.button.loc.x+m.button.dim.x, offset.y+m.button.loc.y);
+ glVertex2f(offset.x+m.button.loc.x+m.button.dim.x, offset.y+m.button.loc.y+m.button.dim.y);
+ glVertex2f(offset.x+m.button.loc.x, offset.y+m.button.loc.y+m.button.dim.y);
+ glVertex2f(offset.x+m.button.loc.x, offset.y+m.button.loc.y);
+ glEnd();
+
+ //if the mouse is over the button and clicks
+ if(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(SDL_BUTTON_LEFT)){
+ switch(m.member){
+ case 0: //normal button
+ m.button.func();
+ break;
+ case -1:
+ currentMenu->gotoChild();
+ break;
+ case -2:
+ currentMenu->gotoParent();
+ default:break;
+ }
+ }
+ }
+ }
+
+ //if element is a slider
+ }else if(m.member == 1){
+ //combining slider text with variable amount
+ char outSV[32];
+ sprintf(outSV, "%s: %.1f",m.slider.text, *m.slider.var);
+
+ float sliderW, sliderH;
+
+ if(m.slider.dim.y > m.slider.dim.x){
+ //width of the slider handle
+ sliderW = m.slider.dim.x;
+ sliderH = m.slider.dim.y * .05;
+ //location of the slider handle
+ m.slider.sliderLoc = m.slider.minValue + (*m.slider.var/m.slider.maxValue)*(m.slider.dim.y-sliderW);
+ }else{
+ //width of the slider handle
+ sliderW = m.slider.dim.x * .05;
+ sliderH = m.slider.dim.y;
+ //location of the slider handle
+ m.slider.sliderLoc = m.slider.minValue + (*m.slider.var/m.slider.maxValue)*(m.slider.dim.x-sliderW);
+ }
+ //draw the background of the slider
+ glColor4f(m.slider.color.red,m.slider.color.green,m.slider.color.blue, .5f);
+ glRectf(offset.x+m.slider.loc.x,
+ offset.y+m.slider.loc.y,
+ offset.x+m.slider.loc.x + m.slider.dim.x,
+ offset.y+m.slider.loc.y + m.slider.dim.y);
+
+ //draw the slider handle
+ glColor4f(m.slider.color.red,m.slider.color.green,m.slider.color.blue, 1.0f);
+ if(m.slider.dim.y > m.slider.dim.x){
+ glRectf(offset.x+m.slider.loc.x,
+ offset.y+m.slider.loc.y + (m.slider.sliderLoc * 1.05),
+ offset.x+m.slider.loc.x + sliderW,
+ offset.y+m.slider.loc.y + (m.slider.sliderLoc * 1.05) + sliderH);
+
+ //draw the now combined slider text
+ putStringCentered(offset.x + m.slider.loc.x + (m.slider.dim.x/2), (offset.y + m.slider.loc.y + (m.slider.dim.y*1.05)) - ui::fontSize/2, outSV);
+ }else{
+ glRectf(offset.x+m.slider.loc.x+m.slider.sliderLoc,
+ offset.y+m.slider.loc.y,
+ offset.x+m.slider.loc.x + m.slider.sliderLoc + sliderW,
+ offset.y+m.slider.loc.y + sliderH);
+
+ //draw the now combined slider text
+ putStringCentered(offset.x + m.slider.loc.x + (m.slider.dim.x/2), (offset.y + m.slider.loc.y + (m.slider.dim.y/2)) - ui::fontSize/2, outSV);
+ }
+ //test if mouse is inside of the slider's borders
+ if(mouse.x >= offset.x+m.slider.loc.x && mouse.x <= offset.x+m.slider.loc.x + m.slider.dim.x){
+ if(mouse.y >= offset.y+m.slider.loc.y && mouse.y <= offset.y+m.slider.loc.y + m.slider.dim.y){
+
+ //if it is we draw a white border around it
+ glColor3f(1.0f,1.0f,1.0f);
+ glBegin(GL_LINE_STRIP);
+ glVertex2f(offset.x+m.slider.loc.x, offset.y+m.slider.loc.y);
+ glVertex2f(offset.x+m.slider.loc.x+m.slider.dim.x, offset.y+m.slider.loc.y);
+ glVertex2f(offset.x+m.slider.loc.x+m.slider.dim.x, offset.y+m.slider.loc.y+m.slider.dim.y);
+ glVertex2f(offset.x+m.slider.loc.x, offset.y+m.slider.loc.y+m.slider.dim.y);
+ glVertex2f(offset.x+m.slider.loc.x, offset.y+m.slider.loc.y);
+
+ if(m.slider.dim.y > m.slider.dim.x){
+ //and a border around the slider handle
+ glVertex2f(offset.x+m.slider.loc.x, offset.y+m.slider.loc.y + (m.slider.sliderLoc * 1.05));
+ glVertex2f(offset.x+m.slider.loc.x + sliderW, offset.y+m.slider.loc.y + (m.slider.sliderLoc * 1.05));
+ glVertex2f(offset.x+m.slider.loc.x + sliderW, offset.y+m.slider.loc.y + (m.slider.sliderLoc * 1.05) + sliderH);
+ glVertex2f(offset.x+m.slider.loc.x, offset.y+m.slider.loc.y + (m.slider.sliderLoc * 1.05) + sliderH);
+ glVertex2f(offset.x+m.slider.loc.x, offset.y+m.slider.loc.y + (m.slider.sliderLoc * 1.05));
+ }else{
+ //and a border around the slider handle
+ glVertex2f(offset.x+m.slider.loc.x + m.slider.sliderLoc, offset.y+m.slider.loc.y);
+ glVertex2f(offset.x+m.slider.loc.x + (m.slider.sliderLoc + sliderW), offset.y+m.slider.loc.y);
+ glVertex2f(offset.x+m.slider.loc.x + (m.slider.sliderLoc + sliderW), offset.y+m.slider.loc.y+m.slider.dim.y);
+ glVertex2f(offset.x+m.slider.loc.x + m.slider.sliderLoc, offset.y+m.slider.loc.y+m.slider.dim.y);
+ glVertex2f(offset.x+m.slider.loc.x + m.slider.sliderLoc, offset.y+m.slider.loc.y);
+ }
+
+ glEnd();
+
+ //if we are inside the slider and click it will set the slider to that point
+ if(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(SDL_BUTTON_LEFT)){
+ //change handle location
+ if(m.slider.dim.y > m.slider.dim.x){
+ *m.slider.var = (((mouse.y-offset.y) - m.slider.loc.y)/m.slider.dim.y)*100;
+ //draw a white box over the handle
+ glColor3f(1.0f,1.0f,1.0f);
+ glRectf(offset.x+m.slider.loc.x,
+ offset.y+m.slider.loc.y + (m.slider.sliderLoc * 1.05),
+ offset.x+m.slider.loc.x + sliderW,
+ offset.y+m.slider.loc.y + (m.slider.sliderLoc * 1.05) + sliderH);
+
+ }else{
+ *m.slider.var = (((mouse.x-offset.x) - m.slider.loc.x)/m.slider.dim.x)*100;
+ //draw a white box over the handle
+ glColor3f(1.0f,1.0f,1.0f);
+ glRectf(offset.x+m.slider.loc.x + m.slider.sliderLoc,
+ offset.y+m.slider.loc.y,
+ offset.x+m.slider.loc.x + (m.slider.sliderLoc + sliderW),
+ offset.y+m.slider.loc.y + m.slider.dim.y);
+ }
+ }
+
+ //makes sure handle can't go below or above min and max values
+ if(*m.slider.var >= m.slider.maxValue)*m.slider.var = m.slider.maxValue;
+ else if(*m.slider.var <= m.slider.minValue)*m.slider.var = m.slider.minValue;
+ }
+ }
+ }
+ }
+ setFontSize(16);
+ }
+
+
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-06 22:53:58 +0000