/*---------------------------------------------------------------------------*/
-static GLuint ball_list;
-static GLuint ball_text;
-
-void ball_init(int b)
-{
- char name[MAXSTR];
- int i, slices = b ? 32 : 16;
- int j, stacks = b ? 16 : 8;
-
- config_get_s(CONFIG_BALL, name, MAXSTR);
-
- ball_text = make_image_from_file(name);
-
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-
- ball_list = glGenLists(1);
-
- glNewList(ball_list, GL_COMPILE);
- {
- for (i = 0; i < stacks; i++)
- {
- float k0 = (float) i / stacks;
- float k1 = (float) (i + 1) / stacks;
-
- float s0 = fsinf(V_PI * (k0 - 0.5));
- float c0 = fcosf(V_PI * (k0 - 0.5));
- float s1 = fsinf(V_PI * (k1 - 0.5));
- float c1 = fcosf(V_PI * (k1 - 0.5));
-
- glBegin(GL_QUAD_STRIP);
- {
- for (j = 0; j <= slices; j++)
- {
- float k = (float) j / slices;
- float s = fsinf(V_PI * k * 2.0);
- float c = fcosf(V_PI * k * 2.0);
-
- glTexCoord2f(k, k0);
- glNormal3f(s * c0, c * c0, s0);
- glVertex3f(s * c0, c * c0, s0);
-
- glTexCoord2f(k, k1);
- glNormal3f(s * c1, c * c1, s1);
- glVertex3f(s * c1, c * c1, s1);
- }
- }
- glEnd();
- }
- }
- glEndList();
-}
-
-void ball_free(void)
-{
- if (glIsList(ball_list))
- glDeleteLists(ball_list, 1);
-
- if (glIsTexture(ball_text))
- glDeleteTextures(1, &ball_text);
-
- ball_list = 0;
- ball_text = 0;
-}
-
-void ball_draw(void)
-{
- static const float a[4] = { 0.2f, 0.2f, 0.2f, 1.0f };
- static const float s[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
- static const float e[4] = { 0.2f, 0.2f, 0.2f, 1.0f };
- static const float h[1] = { 20.0f };
-
- glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, a);
- glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, s);
- glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, e);
- glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, h);
-
- glEnable(GL_COLOR_MATERIAL);
- {
- glBindTexture(GL_TEXTURE_2D, ball_text);
-
- /* Render the ball back to front in case it is translucent. */
-
- glDepthMask(GL_FALSE);
- {
- glCullFace(GL_FRONT);
- glCallList(ball_list);
- glCullFace(GL_BACK);
- glCallList(ball_list);
- }
- glDepthMask(GL_TRUE);
-
- /* Render the ball into the depth buffer. */
-
- glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
- {
- glCallList(ball_list);
- }
- glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
-
- /* Ensure the ball is visible even when obscured by geometry. */
-
- glDisable(GL_DEPTH_TEST);
- {
- glColor4f(1.0f, 1.0f, 1.0f, 0.1f);
- glCallList(ball_list);
- }
- glEnable(GL_DEPTH_TEST);
- }
- glDisable(GL_COLOR_MATERIAL);
-}
-
-/*---------------------------------------------------------------------------*/
-
static GLuint mark_list;
void mark_init(int b)
/*---------------------------------------------------------------------------*/
-static void coin_head(int n, float radius, float thick)
-{
- int i;
-
- glBegin(GL_TRIANGLE_FAN);
- {
- glNormal3f(0.f, 0.f, +1.f);
-
- for (i = 0; i < n; i++)
- {
- float x = fcosf(+2.f * PI * i / n);
- float y = fsinf(+2.f * PI * i / n);
-
- glTexCoord2f(-x * 0.5f + 0.5f, +y * 0.5f + 0.5f);
- glVertex3f(radius * x, radius * y, +thick);
- }
- }
- glEnd();
-}
-
-static void coin_tail(int n, float radius, float thick)
-{
- int i;
-
- glBegin(GL_TRIANGLE_FAN);
- {
- glNormal3f(0.f, 0.f, -1.f);
-
- for (i = 0; i < n; i++)
- {
- float x = fcosf(-2.f * PI * i / n);
- float y = fsinf(-2.f * PI * i / n);
-
- glTexCoord2f(+x * 0.5f + 0.5f, +y * 0.5f + 0.5f);
- glVertex3f(radius * x, radius * y, -thick);
- }
- }
- glEnd();
-}
-
-static void coin_edge(int n, float radius, float thick)
-{
- int i;
-
- glBegin(GL_QUAD_STRIP);
- {
- for (i = 0; i <= n; i++)
- {
- float x = fcosf(2.f * PI * i / n);
- float y = fsinf(2.f * PI * i / n);
-
- glNormal3f(x, y, 0.0f);
- glVertex3f(radius * x, radius * y, +thick);
- glVertex3f(radius * x, radius * y, -thick);
- }
- }
- glEnd();
-}
-
-/*---------------------------------------------------------------------------*/
-
-static GLuint item_coin_text;
-static GLuint item_grow_text;
-static GLuint item_shrink_text;
-static GLuint item_list;
-
-void item_color(const struct s_item *hp, float *c)
-{
- switch (hp->t)
- {
-
- case ITEM_COIN:
-
- if (hp->n >= 1)
- {
- c[0] = 1.0f;
- c[1] = 1.0f;
- c[2] = 0.2f;
- }
- if (hp->n >= 5)
- {
- c[0] = 1.0f;
- c[1] = 0.2f;
- c[2] = 0.2f;
- }
- if (hp->n >= 10)
- {
- c[0] = 0.2f;
- c[1] = 0.2f;
- c[2] = 1.0f;
- }
- break;
-
- case ITEM_GROW:
- case ITEM_SHRINK:
-
- default:
-
- c[0] = 1.0f;
- c[1] = 1.0f;
- c[2] = 1.0f;
-
- break;
- }
-}
-
-void item_init(int b)
-{
- int n = b ? 32 : 8;
-
- item_coin_text = make_image_from_file(IMG_ITEM_COIN);
- item_grow_text = make_image_from_file(IMG_ITEM_GROW);
- item_shrink_text = make_image_from_file(IMG_ITEM_SHRINK);
-
- item_list = glGenLists(1);
-
- glNewList(item_list, GL_COMPILE);
- {
- glDisable(GL_TEXTURE_2D);
- coin_edge(n, COIN_RADIUS, COIN_THICK);
- glEnable (GL_TEXTURE_2D);
- coin_head(n, COIN_RADIUS, COIN_THICK);
- coin_tail(n, COIN_RADIUS, COIN_THICK);
- }
- glEndList();
-}
-
-void item_free(void)
-{
- if (glIsList(item_list))
- glDeleteLists(item_list, 1);
-
- if (glIsTexture(item_coin_text))
- glDeleteTextures(1, &item_coin_text);
-
- if (glIsTexture(item_grow_text))
- glDeleteTextures(1, &item_grow_text);
-
- if (glIsTexture(item_shrink_text))
- glDeleteTextures(1, &item_shrink_text);
-
- item_list = 0;
- item_coin_text = 0;
- item_grow_text = 0;
- item_shrink_text = 0;
-}
-
-void item_push(int type)
-{
- static const float a[4] = { 0.2f, 0.2f, 0.2f, 1.0f };
- static const float s[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
- static const float e[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
- static const float h[1] = { 10.0f };
-
- glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, a);
- glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, s);
- glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, e);
- glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, h);
-
- glEnable(GL_COLOR_MATERIAL);
-
- switch (type)
- {
- case ITEM_COIN:
- glBindTexture(GL_TEXTURE_2D, item_coin_text);
- break;
-
- case ITEM_GROW:
- glBindTexture(GL_TEXTURE_2D, item_grow_text);
- break;
-
- case ITEM_SHRINK:
- glBindTexture(GL_TEXTURE_2D, item_shrink_text);
- break;
- }
-}
-
-void item_draw(const struct s_item *hp, float r)
-{
- float c[3];
-
- item_color(hp, c);
-
- glColor3fv(c);
- glCallList(item_list);
-}
-
-void item_pull(void)
-{
- glColor3f(1.0f, 1.0f, 1.0f);
- glDisable(GL_COLOR_MATERIAL);
-}
-
-/*---------------------------------------------------------------------------*/
-
static GLuint goal_list;
void goal_init(int b)
projects / neverball / blobdiff