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authorOliver Schinagl <oliver@schinagl.nl>2008-05-14 13:46:52 (GMT)
committerOliver Schinagl <oliver@schinagl.nl>2008-05-14 13:46:52 (GMT)
commit2455e17dcb148c0004347f6ab85758184eb47ba6 (patch)
tree27c4aaef8c3db95ad8b8bd6ec67403edd4dde294
parent338ea2bc749adf8a5183804acec0f37ee4d69222 (diff)
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menu ovverlays application. first integration sstep complete. TODO: Fix engine material/opengl init
-rw-r--r--matchblox/main.cpp9
-rw-r--r--matchblox/menu/menu.c710
2 files changed, 363 insertions, 356 deletions
diff --git a/matchblox/main.cpp b/matchblox/main.cpp
index 409a3ea..a7cbedb 100644
--- a/matchblox/main.cpp
+++ b/matchblox/main.cpp
@@ -27,14 +27,17 @@ C_MatchBloxEngine *g_pEngine;
void init_gl(void)
{
GLfloat l_fLightpos[4] = {0.0, 1.0, 1.0, 0.0};
- glClearColor(0.9, 0.9, 0.9, 1.0);
+ GLfloat l_pfMaterial[] = {1.0f, 0.4f, 0.0f, 0.0f};
+ glClearColor(1, 0.4, 0.2, 1.0);
glClearDepth(1000.0);
glShadeModel(GL_SMOOTH);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, l_pfMaterial);
glLightfv(GL_LIGHT0, GL_POSITION, l_fLightpos);
glEnable(GL_NORMALIZE);
+ glDisable(GL_TEXTURE_2D);
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
} // init_gl
@@ -52,8 +55,12 @@ void render_scene(void)
g_pEngine->Render(glutGet(GLUT_ELAPSED_TIME));
+ glDisable(GL_LIGHTING);
+
MenuRender();
+ glEnable(GL_LIGHTING);
+
glutSwapBuffers();
} // render_scene
diff --git a/matchblox/menu/menu.c b/matchblox/menu/menu.c
index 9276850..9687a2d 100644
--- a/matchblox/menu/menu.c
+++ b/matchblox/menu/menu.c
@@ -1,359 +1,359 @@
-#ifdef G_OS_WIN32
- #define WIN32_LEAN_AND_MEAN 1
+#ifdef G_OS_WIN32
+ #define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#else
#define FALSE 0
- #define TRUE !FALSE
-#endif
-
-#include <string.h>
-#include <GL/gl.h>
+ #define TRUE !FALSE
+#endif
+
+#include <string.h>
+#include <GL/gl.h>
#include <GL/glut.h>
-#include <string.h>
-
-#include "menu.h"
-#include "button.h"
-#include "font.h"
-
-#define MENU_MAX_BUTTONS 16
-
-enum MenuState {
- MENU_OFF,
- MENU_MAIN,
- MENU_START,
- MENU_OPTIONS
-};
-
-struct MenuStruct {
- enum MenuState m_iMenuId;
- int m_iButtonCount;
- struct ButtonStruct m_sButtons[MENU_MAX_BUTTONS];
-};
-
-struct MenuStruct g_sMenuOff; // definition of the menu when it's disabled (empty menu)
-struct MenuStruct g_sMenuMain; // definition of the main menu
-struct MenuStruct g_sMenuStart; // definition of the start menu
-struct MenuStruct g_sMenuOptions; // definition of the options menu
-struct MenuStruct *g_pCurMenu; // current menu
-
-struct BitmapStruct g_sCursorImage; // bitmap struct of the cursor
-
-int g_iWinWidth;
-int g_iWinHeight;
-
-int g_iXPos; // last cursor pos
-int g_iYPos;
-
-
-void MenuEnableGroup(int f_iGroup)
-{
- struct ButtonStruct l_sButton;
- int l_iType, l_iGroup;
- int i = 0;
-
- // enable first radio button in this group
- while (i < g_pCurMenu->m_iButtonCount)
- {
- l_sButton = g_pCurMenu->m_sButtons[i];
- l_iType = l_sButton.m_iType;
- l_iGroup = l_sButton.m_iGroup;
-
- if (l_iType == BUTTON_RADIO && l_iGroup == f_iGroup)
- {
- ButtonEnable(&g_pCurMenu->m_sButtons[i]);
- return;
- }
-
- i++;
- }
-
-} // MenuEnableGroup
-
-
-void MenuAddButton(int f_dXPos, int f_dYPos, int f_dWidth, int f_dHeight, char *f_pcTitle, int f_iType, int f_iGroup)
-{
- int i = g_pCurMenu->m_iButtonCount;
-
- if (i > MENU_MAX_BUTTONS - 1) return;
-
- // create the button with the right parameters
- g_pCurMenu->m_sButtons[i] = ButtonCreate(f_dXPos, f_dYPos, f_dWidth, f_dHeight, f_pcTitle, f_iType, f_iGroup, i);
- g_pCurMenu->m_iButtonCount = i + 1;
-
-} // MenuAddButton
-
-
-void MenuClear(void)
-{
- g_pCurMenu->m_iButtonCount = 0;
- memset(&g_pCurMenu->m_sButtons, 0, sizeof(g_pCurMenu->m_sButtons));
-
-} // MenuClear
-
-
-void MenuBuild (void)
-{
- int l_iMenuId = g_pCurMenu->m_iMenuId;
-
- switch (l_iMenuId)
- {
- default:
- case MENU_OFF:
- // no buttons
- break;
-
- case MENU_MAIN:
- MenuAddButton(200, 150, 256, 128, "START", BUTTON_CLICK, BUTTON_NO_GROUP);
- break;
-
- case MENU_START:
- MenuAddButton(50, 50, 250, 64, "Button 1", BUTTON_CLICK, BUTTON_NO_GROUP);
- MenuAddButton(50, 150, 250, 64, "Button 2", BUTTON_CLICK, BUTTON_NO_GROUP);
- MenuAddButton(350, 50, 64, 64, "Radio 1", BUTTON_RADIO, BUTTON_GROUP1);
- MenuAddButton(350, 150, 64, 64, "Radio 2", BUTTON_RADIO, BUTTON_GROUP1);
- MenuEnableGroup(BUTTON_GROUP1);
-
- MenuAddButton(50, 250, 256, 64, "Button 3", BUTTON_CLICK, BUTTON_NO_GROUP);
- MenuAddButton(50, 350, 256, 64, "Button 4", BUTTON_CLICK, BUTTON_NO_GROUP);
- MenuAddButton(350, 250, 64, 64, "Radio A", BUTTON_RADIO, BUTTON_GROUP2);
- MenuAddButton(350, 350, 64, 64, "Radio B", BUTTON_RADIO, BUTTON_GROUP2);
- MenuEnableGroup(BUTTON_GROUP2);
- break;
-
- case MENU_OPTIONS:
- MenuAddButton(50, 150, 250, 64, "Start", BUTTON_CLICK, BUTTON_NO_GROUP);
- MenuAddButton(50, 250, 250, 64, "Back", BUTTON_CLICK, BUTTON_NO_GROUP);
- MenuAddButton(350, 150, 64, 64, "Try first!", BUTTON_RADIO, BUTTON_GROUP1);
- MenuAddButton(350, 250, 64, 64, "10 games", BUTTON_RADIO, BUTTON_GROUP1);
- MenuEnableGroup(BUTTON_GROUP1);
- break;
- }
-
-} // MenuBuild
-
-
-void MenuNext(void)
-{
- int l_iMenuId = g_pCurMenu->m_iMenuId;
-
- l_iMenuId = (l_iMenuId + 1) % 4;
-
- switch (l_iMenuId)
- {
- default:
- case MENU_OFF: g_pCurMenu = &g_sMenuOff; break;
- case MENU_MAIN: g_pCurMenu = &g_sMenuMain; break;
- case MENU_START: g_pCurMenu = &g_sMenuStart; break;
- case MENU_OPTIONS: g_pCurMenu = &g_sMenuOptions; break;
- }
-
-} // MenuNext
-
-
-void MenuInit(int f_iWinWidth, int f_iWinHeight)
-{
- // init menu props
- g_iWinWidth = f_iWinWidth;
- g_iWinHeight = f_iWinHeight;
- g_iXPos = -100;
- g_iYPos = -100;
-
- // init main off
- g_sMenuOff.m_iMenuId = MENU_OFF;
- g_pCurMenu = &g_sMenuOff;
- MenuBuild();
-
- // init main menu
- g_sMenuMain.m_iMenuId = MENU_MAIN;
- g_pCurMenu = &g_sMenuMain;
- MenuBuild();
-
- // init start menu
- g_sMenuStart.m_iMenuId = MENU_START;
- g_pCurMenu = &g_sMenuStart;
- MenuBuild();
-
- // init options menu
- g_sMenuOptions.m_iMenuId = MENU_OPTIONS;
- g_pCurMenu = &g_sMenuOptions;
- MenuBuild();
-
- // init font
- FontInit(f_iWinWidth, f_iWinHeight);
-
- g_pCurMenu = &g_sMenuOff;
-
- // load cursor image
- g_sCursorImage = BitmapLoad("img/cursor.bmp");
-
-} // MenuInit
-
-
-void MenuRender(void)
-{
- int i = 0;
-
- glClearColor(0.9, 0.9, 0.9, 1);
-
- glDisable(GL_DEPTH_TEST);
- glEnable(GL_TEXTURE_2D);
-
- glMatrixMode(GL_PROJECTION);
- glPushMatrix();
-
- glLoadIdentity();
- glOrtho(0, g_iWinWidth, g_iWinHeight, 0, 0, 1);
- glMatrixMode(GL_MODELVIEW);
-
- glEnable(GL_BLEND);
-
- if (g_pCurMenu->m_iMenuId != MENU_OFF)
- {
- glBlendFunc(GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR);
-
- glColor3d(0.6, 0.6, 0.7);
- glBegin(GL_TRIANGLE_STRIP);
- glVertex2i(0, 0);
- glVertex2i(g_iWinWidth, 0);
- glVertex2i(0, g_iWinHeight);
- glVertex2i(g_iWinWidth, g_iWinHeight);
- glEnd();
- }
-
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-
- // render the buttons of the current menu
- for (i; i < g_pCurMenu->m_iButtonCount; i++)
- {
- glColor4d(1, 1, 1, 1);
- ButtonRender(&g_pCurMenu->m_sButtons[i]);
- }
-
- // render cursor
- glColor3d(1, 1, 1);
- BitmapRender(g_iXPos,
- g_iYPos,
- 64, //g_sCursorImage.m_iWidth,
- 64, //g_sCursorImage.m_iHeight,
- g_sCursorImage.m_iImageId);
-
- glDisable(GL_BLEND);
-
- //restore the previous projection matrix
- glMatrixMode(GL_PROJECTION);
-
- glPopMatrix();
-
-} // MenuRender
-
-
-int MenuCollision(struct ButtonStruct *f_sButton, int f_iXPos, int f_iYPos)
-{
- int l_bCollision;
- int l_iButtonX, l_iButtonY;
- int l_iButtonWidth, l_iButtonHeight;
-
- l_iButtonX = f_sButton->m_iXPos;
- l_iButtonY = f_sButton->m_iYPos;
- l_iButtonWidth = f_sButton->m_iWidth;
- l_iButtonHeight = f_sButton->m_iHeight;
-
- l_bCollision = f_iXPos >= l_iButtonX;
- l_bCollision &= f_iYPos >= l_iButtonY;
- l_bCollision &= f_iXPos <= l_iButtonX + l_iButtonWidth;
- l_bCollision &= f_iYPos <= l_iButtonY + l_iButtonHeight;
-
- if (l_bCollision) return TRUE;
- return FALSE;
-
-} // MenuCollision
-
-
-void MenuMouseClick(int f_iGlutButton, int f_iGlutState, int f_iXPos, int f_iYPos)
-{
- int i = 0;
- int l_iXPos, l_iYPos;
- int l_iWidth, l_iHeight;
- int l_iType, l_iId, l_iGroup;
- struct ButtonStruct l_sButton;
-
- // button released
- if (f_iGlutButton == GLUT_LEFT_BUTTON && f_iGlutState == GLUT_UP)
- {
- // post a button released event to all buttons
- for (i; i < g_pCurMenu->m_iButtonCount; i++)
- {
- l_iType = g_pCurMenu->m_sButtons[i].m_iType;
- ButtonRelease(&g_pCurMenu->m_sButtons[i]);
- }
- }
-
- // check if any button needs attention from the mouse
- i = g_pCurMenu->m_iButtonCount;
- for (i; i >= 0; i--)
- {
- l_sButton = g_pCurMenu->m_sButtons[i];
- l_iXPos = l_sButton.m_iXPos;
- l_iYPos = l_sButton.m_iYPos;
- l_iWidth = l_sButton.m_iWidth;
- l_iHeight = l_sButton.m_iHeight;
- l_iType = l_sButton.m_iType;
- l_iId = l_sButton.m_iId;
- l_iGroup = l_sButton.m_iGroup;
-
- if (MenuCollision(&l_sButton, f_iXPos, f_iYPos))
- {
- // button pressed?
- if (f_iGlutButton == GLUT_LEFT_BUTTON && f_iGlutState == GLUT_DOWN)
- {
- ButtonPress(&g_pCurMenu->m_sButtons[i]);
-
- if (l_iType == BUTTON_RADIO)
- {
- i = 0;
- while (i < g_pCurMenu->m_iButtonCount)
- {
-
- if (l_iId != g_pCurMenu->m_sButtons[i].m_iId &&
- l_iType == g_pCurMenu->m_sButtons[i].m_iType &&
- l_iGroup == g_pCurMenu->m_sButtons[i].m_iGroup)
- {
- ButtonDisable(&g_pCurMenu->m_sButtons[i]);
- }
- i++;
- }
- }
-
- return;
- }
- }
- }
-
-} // MenuMouseClick
-
-
-void MenuMouseMove(int f_iXPos, int f_iYPos)
-{
- int i = 0;
- struct ButtonStruct l_sButton;
-
- g_iXPos = f_iXPos;
- g_iYPos = f_iYPos;
-
- // check if any button needs attention from the mouse
- for (i; i < g_pCurMenu->m_iButtonCount; i++)
- {
- l_sButton = g_pCurMenu->m_sButtons[i];
-
- if (MenuCollision(&l_sButton, f_iXPos, f_iYPos))
- {
- ButtonEnter(&g_pCurMenu->m_sButtons[i]);
- }
- else // mouse leaves button
- {
- ButtonExit(&g_pCurMenu->m_sButtons[i]);
- }
- }
-
-} // MenuMouseMove
-
+#include <string.h>
+
+#include "menu.h"
+#include "button.h"
+#include "font.h"
+
+#define MENU_MAX_BUTTONS 16
+
+enum MenuState {
+ MENU_OFF,
+ MENU_MAIN,
+ MENU_START,
+ MENU_OPTIONS
+};
+
+struct MenuStruct {
+ enum MenuState m_iMenuId;
+ int m_iButtonCount;
+ struct ButtonStruct m_sButtons[MENU_MAX_BUTTONS];
+};
+
+struct MenuStruct g_sMenuOff; // definition of the menu when it's disabled (empty menu)
+struct MenuStruct g_sMenuMain; // definition of the main menu
+struct MenuStruct g_sMenuStart; // definition of the start menu
+struct MenuStruct g_sMenuOptions; // definition of the options menu
+struct MenuStruct *g_pCurMenu; // current menu
+
+struct BitmapStruct g_sCursorImage; // bitmap struct of the cursor
+
+int g_iWinWidth;
+int g_iWinHeight;
+
+int g_iXPos; // last cursor pos
+int g_iYPos;
+
+
+void MenuEnableGroup(int f_iGroup)
+{
+ struct ButtonStruct l_sButton;
+ int l_iType, l_iGroup;
+ int i = 0;
+
+ // enable first radio button in this group
+ while (i < g_pCurMenu->m_iButtonCount)
+ {
+ l_sButton = g_pCurMenu->m_sButtons[i];
+ l_iType = l_sButton.m_iType;
+ l_iGroup = l_sButton.m_iGroup;
+
+ if (l_iType == BUTTON_RADIO && l_iGroup == f_iGroup)
+ {
+ ButtonEnable(&g_pCurMenu->m_sButtons[i]);
+ return;
+ }
+
+ i++;
+ }
+
+} // MenuEnableGroup
+
+
+void MenuAddButton(int f_dXPos, int f_dYPos, int f_dWidth, int f_dHeight, char *f_pcTitle, int f_iType, int f_iGroup)
+{
+ int i = g_pCurMenu->m_iButtonCount;
+
+ if (i > MENU_MAX_BUTTONS - 1) return;
+
+ // create the button with the right parameters
+ g_pCurMenu->m_sButtons[i] = ButtonCreate(f_dXPos, f_dYPos, f_dWidth, f_dHeight, f_pcTitle, f_iType, f_iGroup, i);
+ g_pCurMenu->m_iButtonCount = i + 1;
+
+} // MenuAddButton
+
+
+void MenuClear(void)
+{
+ g_pCurMenu->m_iButtonCount = 0;
+ memset(&g_pCurMenu->m_sButtons, 0, sizeof(g_pCurMenu->m_sButtons));
+
+} // MenuClear
+
+
+void MenuBuild (void)
+{
+ int l_iMenuId = g_pCurMenu->m_iMenuId;
+
+ switch (l_iMenuId)
+ {
+ default:
+ case MENU_OFF:
+ // no buttons
+ break;
+
+ case MENU_MAIN:
+ MenuAddButton(200, 150, 256, 128, "START", BUTTON_CLICK, BUTTON_NO_GROUP);
+ break;
+
+ case MENU_START:
+ MenuAddButton(50, 50, 250, 64, "Button 1", BUTTON_CLICK, BUTTON_NO_GROUP);
+ MenuAddButton(50, 150, 250, 64, "Button 2", BUTTON_CLICK, BUTTON_NO_GROUP);
+ MenuAddButton(350, 50, 64, 64, "Radio 1", BUTTON_RADIO, BUTTON_GROUP1);
+ MenuAddButton(350, 150, 64, 64, "Radio 2", BUTTON_RADIO, BUTTON_GROUP1);
+ MenuEnableGroup(BUTTON_GROUP1);
+
+ MenuAddButton(50, 250, 256, 64, "Button 3", BUTTON_CLICK, BUTTON_NO_GROUP);
+ MenuAddButton(50, 350, 256, 64, "Button 4", BUTTON_CLICK, BUTTON_NO_GROUP);
+ MenuAddButton(350, 250, 64, 64, "Radio A", BUTTON_RADIO, BUTTON_GROUP2);
+ MenuAddButton(350, 350, 64, 64, "Radio B", BUTTON_RADIO, BUTTON_GROUP2);
+ MenuEnableGroup(BUTTON_GROUP2);
+ break;
+
+ case MENU_OPTIONS:
+ MenuAddButton(50, 150, 250, 64, "Start", BUTTON_CLICK, BUTTON_NO_GROUP);
+ MenuAddButton(50, 250, 250, 64, "Back", BUTTON_CLICK, BUTTON_NO_GROUP);
+ MenuAddButton(350, 150, 64, 64, "Try first!", BUTTON_RADIO, BUTTON_GROUP1);
+ MenuAddButton(350, 250, 64, 64, "10 games", BUTTON_RADIO, BUTTON_GROUP1);
+ MenuEnableGroup(BUTTON_GROUP1);
+ break;
+ }
+
+} // MenuBuild
+
+
+void MenuNext(void)
+{
+ int l_iMenuId = g_pCurMenu->m_iMenuId;
+
+ l_iMenuId = (l_iMenuId + 1) % 4;
+
+ switch (l_iMenuId)
+ {
+ default:
+ case MENU_OFF: g_pCurMenu = &g_sMenuOff; break;
+ case MENU_MAIN: g_pCurMenu = &g_sMenuMain; break;
+ case MENU_START: g_pCurMenu = &g_sMenuStart; break;
+ case MENU_OPTIONS: g_pCurMenu = &g_sMenuOptions; break;
+ }
+
+} // MenuNext
+
+
+void MenuInit(int f_iWinWidth, int f_iWinHeight)
+{
+ // init menu props
+ g_iWinWidth = f_iWinWidth;
+ g_iWinHeight = f_iWinHeight;
+ g_iXPos = -100;
+ g_iYPos = -100;
+
+ // init main off
+ g_sMenuOff.m_iMenuId = MENU_OFF;
+ g_pCurMenu = &g_sMenuOff;
+ MenuBuild();
+
+ // init main menu
+ g_sMenuMain.m_iMenuId = MENU_MAIN;
+ g_pCurMenu = &g_sMenuMain;
+ MenuBuild();
+
+ // init start menu
+ g_sMenuStart.m_iMenuId = MENU_START;
+ g_pCurMenu = &g_sMenuStart;
+ MenuBuild();
+
+ // init options menu
+ g_sMenuOptions.m_iMenuId = MENU_OPTIONS;
+ g_pCurMenu = &g_sMenuOptions;
+ MenuBuild();
+
+ // init font
+ FontInit(f_iWinWidth, f_iWinHeight);
+
+ g_pCurMenu = &g_sMenuOff;
+
+ // load cursor image
+ g_sCursorImage = BitmapLoad("img/cursor.bmp");
+
+} // MenuInit
+
+
+void MenuRender(void)
+{
+ int i = 0;
+
+ glClearColor(0.9, 0.9, 0.9, 1);
+
+ glDisable(GL_DEPTH_TEST);
+ glEnable(GL_TEXTURE_2D);
+
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+
+ glLoadIdentity();
+ glOrtho(0, g_iWinWidth, g_iWinHeight, 0, 0, 1);
+ glMatrixMode(GL_MODELVIEW);
+
+ glEnable(GL_BLEND);
+
+ if (g_pCurMenu->m_iMenuId != MENU_OFF)
+ {
+ glBlendFunc(GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR);
+
+ glColor3d(0.6, 0.6, 0.7);
+ glBegin(GL_TRIANGLE_STRIP);
+ glVertex2i(0, 0);
+ glVertex2i(g_iWinWidth, 0);
+ glVertex2i(0, g_iWinHeight);
+ glVertex2i(g_iWinWidth, g_iWinHeight);
+ glEnd();
+ }
+
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ // render the buttons of the current menu
+ for (i; i < g_pCurMenu->m_iButtonCount; i++)
+ {
+ glColor4d(1, 1, 1, 1);
+ ButtonRender(&g_pCurMenu->m_sButtons[i]);
+ }
+
+ // render cursor
+ glColor3d(1, 1, 1);
+ BitmapRender(g_iXPos,
+ g_iYPos,
+ 64, //g_sCursorImage.m_iWidth,
+ 64, //g_sCursorImage.m_iHeight,
+ g_sCursorImage.m_iImageId);
+
+ glDisable(GL_BLEND);
+
+ //restore the previous projection matrix
+ glMatrixMode(GL_PROJECTION);
+
+ glPopMatrix();
+
+} // MenuRender
+
+
+int MenuCollision(struct ButtonStruct *f_sButton, int f_iXPos, int f_iYPos)
+{
+ int l_bCollision;
+ int l_iButtonX, l_iButtonY;
+ int l_iButtonWidth, l_iButtonHeight;
+
+ l_iButtonX = f_sButton->m_iXPos;
+ l_iButtonY = f_sButton->m_iYPos;
+ l_iButtonWidth = f_sButton->m_iWidth;
+ l_iButtonHeight = f_sButton->m_iHeight;
+
+ l_bCollision = f_iXPos >= l_iButtonX;
+ l_bCollision &= f_iYPos >= l_iButtonY;
+ l_bCollision &= f_iXPos <= l_iButtonX + l_iButtonWidth;
+ l_bCollision &= f_iYPos <= l_iButtonY + l_iButtonHeight;
+
+ if (l_bCollision) return TRUE;
+ return FALSE;
+
+} // MenuCollision
+
+
+void MenuMouseClick(int f_iGlutButton, int f_iGlutState, int f_iXPos, int f_iYPos)
+{
+ int i = 0;
+ int l_iXPos, l_iYPos;
+ int l_iWidth, l_iHeight;
+ int l_iType, l_iId, l_iGroup;
+ struct ButtonStruct l_sButton;
+
+ // button released
+ if (f_iGlutButton == GLUT_LEFT_BUTTON && f_iGlutState == GLUT_UP)
+ {
+ // post a button released event to all buttons
+ for (i; i < g_pCurMenu->m_iButtonCount; i++)
+ {
+ l_iType = g_pCurMenu->m_sButtons[i].m_iType;
+ ButtonRelease(&g_pCurMenu->m_sButtons[i]);
+ }
+ }
+
+ // check if any button needs attention from the mouse
+ i = g_pCurMenu->m_iButtonCount;
+ for (i; i >= 0; i--)
+ {
+ l_sButton = g_pCurMenu->m_sButtons[i];
+ l_iXPos = l_sButton.m_iXPos;
+ l_iYPos = l_sButton.m_iYPos;
+ l_iWidth = l_sButton.m_iWidth;
+ l_iHeight = l_sButton.m_iHeight;
+ l_iType = l_sButton.m_iType;
+ l_iId = l_sButton.m_iId;
+ l_iGroup = l_sButton.m_iGroup;
+
+ if (MenuCollision(&l_sButton, f_iXPos, f_iYPos))
+ {
+ // button pressed?
+ if (f_iGlutButton == GLUT_LEFT_BUTTON && f_iGlutState == GLUT_DOWN)
+ {
+ ButtonPress(&g_pCurMenu->m_sButtons[i]);
+
+ if (l_iType == BUTTON_RADIO)
+ {
+ i = 0;
+ while (i < g_pCurMenu->m_iButtonCount)
+ {
+
+ if (l_iId != g_pCurMenu->m_sButtons[i].m_iId &&
+ l_iType == g_pCurMenu->m_sButtons[i].m_iType &&
+ l_iGroup == g_pCurMenu->m_sButtons[i].m_iGroup)
+ {
+ ButtonDisable(&g_pCurMenu->m_sButtons[i]);
+ }
+ i++;
+ }
+ }
+
+ return;
+ }
+ }
+ }
+
+} // MenuMouseClick
+
+
+void MenuMouseMove(int f_iXPos, int f_iYPos)
+{
+ int i = 0;
+ struct ButtonStruct l_sButton;
+
+ g_iXPos = f_iXPos;
+ g_iYPos = f_iYPos;
+
+ // check if any button needs attention from the mouse
+ for (i; i < g_pCurMenu->m_iButtonCount; i++)
+ {
+ l_sButton = g_pCurMenu->m_sButtons[i];
+
+ if (MenuCollision(&l_sButton, f_iXPos, f_iYPos))
+ {
+ ButtonEnter(&g_pCurMenu->m_sButtons[i]);
+ }
+ else // mouse leaves button
+ {
+ ButtonExit(&g_pCurMenu->m_sButtons[i]);
+ }
+ }
+
+} // MenuMouseMove
+