#include "geom.h"
#include "part.h"
#include "vec3.h"
-#include "solid.h"
#include "image.h"
#include "config.h"
+#include "video.h"
#define PI 3.1415926535897932
/*---------------------------------------------------------------------------*/
-static GLuint ball_list;
-static GLuint ball_text;
-
-/*---------------------------------------------------------------------------*/
-#ifdef OCTA_BALL
-
-/* These are the faces of an octahedron in positive longitude/latitude. */
-
-static float octahedron[8][3][2] = {
- {{ 0.0f, 90.0f }, { 0.0f, 0.0f }, { 90.0f, 0.0f }},
- {{ 90.0f, 90.0f }, { 90.0f, 0.0f }, { 180.0f, 0.0f }},
- {{ 180.0f, 90.0f }, { 180.0f, 0.0f }, { 270.0f, 0.0f }},
- {{ 270.0f, 90.0f }, { 270.0f, 0.0f }, { 360.0f, 0.0f }},
- {{ 0.0f, -90.0f }, { 90.0f, 0.0f }, { 0.0f, 0.0f }},
- {{ 90.0f, -90.0f }, { 180.0f, 0.0f }, { 90.0f, 0.0f }},
- {{ 180.0f, -90.0f }, { 270.0f, 0.0f }, { 180.0f, 0.0f }},
- {{ 270.0f, -90.0f }, { 360.0f, 0.0f }, { 270.0f, 0.0f }},
-};
-
-static void midpoint(float *P, const float *A, const float *B)
-{
- float D[2];
-
- /* The haversine midpoint method. */
-
- D[0] = fcosf(B[1]) * fcosf(B[0] - A[0]);
- D[1] = fcosf(B[1]) * fsinf(B[0] - A[0]);
-
- P[0] = A[0] + fatan2f(D[1], fcosf(A[1]) + D[0]);
-
- P[1] = fatan2f(fsinf(A[1]) +
- fsinf(B[1]),
- fsqrtf((fcosf(A[1]) + D[0]) *
- (fcosf(A[1]) + D[0]) + D[1] * D[1]));
-}
-
-static void ball_vertex(const float *p)
-{
- /* Draw a vertex with normal and texture coordinate at the given lon/lat. */
-
- const float x = fsinf(p[0]) * fcosf(p[1]);
- const float y = fsinf(p[1]);
- const float z = fcosf(p[0]) * fcosf(p[1]);
-
- glTexCoord2f(p[0] / V_RAD(360.0f),
- p[1] / V_RAD(180.0f));
-
- glNormal3f(x, y, z);
- glVertex3f(x, y, z);
-}
-
-static void ball_subdiv(const float *a,
- const float *b,
- const float *c, int D)
-{
- if (D > 0)
- {
- /* Recursively subdivide the given triangle. */
-
- float d[2];
- float e[2];
- float f[2];
-
- midpoint(d, a, b);
- midpoint(e, b, c);
- midpoint(f, c, a);
-
- ball_subdiv(a, d, f, D - 1);
- ball_subdiv(d, b, e, D - 1);
- ball_subdiv(f, e, c, D - 1);
- ball_subdiv(d, e, f, D - 1);
- }
- else
- {
- /* Draw the given triangle. */
-
- ball_vertex(a);
- ball_vertex(b);
- ball_vertex(c);
- }
-}
-
-#endif /* OCTA_BALL */
-/*---------------------------------------------------------------------------*/
-
-void ball_init(int b)
-{
- char name[MAXSTR];
-
- 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);
- {
-#ifdef OCTA_BALL
- int i, d = b ? 4 : 3;
-
- glBegin(GL_TRIANGLES);
- {
- for (i = 0; i < 8; ++i)
- {
- float a[2];
- float b[2];
- float c[2];
-
- a[0] = V_RAD(octahedron[i][0][0]);
- a[1] = V_RAD(octahedron[i][0][1]);
-
- b[0] = V_RAD(octahedron[i][1][0]);
- b[1] = V_RAD(octahedron[i][1][1]);
-
- c[0] = V_RAD(octahedron[i][2][0]);
- c[1] = V_RAD(octahedron[i][2][1]);
-
- ball_subdiv(a, b, c, d);
- }
- }
- glEnd();
-#else
- int i, slices = b ? 32 : 16;
- int j, stacks = b ? 16 : 8;
-
- 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();
- }
-#endif /* OCTA_BALL */
- }
- 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)
+void mark_init(void)
{
- int i, slices = b ? 32 : 16;
+ int i, slices = 32;
mark_list = glGenLists(1);
/*---------------------------------------------------------------------------*/
-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)
+void goal_init(void)
{
- int i, n = b ? 32 : 8;
+ int i, n = 32;
goal_list = glGenLists(1);
static GLuint jump_list;
-void jump_init(int b)
+void jump_init(void)
{
- int k, i, n = b ? 32 : 8;
+ int k, i, n = 32;
jump_list = glGenLists(2);
float x = fcosf(2.f * PI * i / n);
float y = fsinf(2.f * PI * i / n);
- glColor4f(1.0f, 1.0f, 1.0f, (k == 0 ? 0.5f : 0.8f));
+ glColor4f(0.75f, 0.5f, 1.0f, (k == 0 ? 0.5f : 0.8f));
glVertex3f(x, 0.0f, y);
glColor4f(1.0f, 1.0f, 1.0f, 0.0f);
{ 0.0f, 1.0f, 0.0f, 0.8f }, /* green in */
{ 0.0f, 1.0f, 0.0f, 0.0f }};
-void swch_init(int b)
+void swch_init(void)
{
- int k, i, n = b ? 32 : 8;
+ int k, i, n = 32;
swch_list = glGenLists(4);
void swch_free(void)
{
if (glIsList(swch_list))
- glDeleteLists(swch_list, 2);
+ glDeleteLists(swch_list, 4);
swch_list = 0;
}
static GLuint flag_list;
-void flag_init(int b)
+void flag_init(void)
{
- int i, n = b ? 8 : 4;
+ int i, n = 8;
flag_list = glGenLists(1);
int w = config_get_d(CONFIG_WIDTH);
int h = config_get_d(CONFIG_HEIGHT);
- config_push_ortho();
+ video_push_ortho();
{
glEnable(GL_COLOR_MATERIAL);
glDisable(GL_LIGHTING);
glEnable(GL_LIGHTING);
glDisable(GL_COLOR_MATERIAL);
}
- config_pop_matrix();
+ video_pop_matrix();
}
}
projects / neverball / blobdiff