From 80d78756ada0fe61b5e78f794ebb104333f5d759 Mon Sep 17 00:00:00 2001
From: Allanis <allanis@saracraft.net>
Date: Tue, 26 Feb 2013 23:18:40 +0000
Subject: [PATCH] [Add] Primitive special effect system with explosions!!
---
.clang_complete | 4 +
gfx/spfx/exps.png | Bin 0 -> 13243 bytes
src/input.h | 2 +-
src/lephisto.c | 8 +-
src/menu.c | 2 +-
src/music.c | 2 +-
src/pause.c | 3 +
src/sound.c | 4 +-
src/spfx.c | 221 ++++++++++++++++++++++++++++++++++++++++++++++
src/spfx.h | 22 +++++
src/toolkit.h | 2 +-
src/weapon.c | 6 +-
12 files changed, 268 insertions(+), 8 deletions(-)
create mode 100644 .clang_complete
create mode 100644 gfx/spfx/exps.png
create mode 100644 src/spfx.c
create mode 100644 src/spfx.h
diff --git a/.clang_complete b/.clang_complete
new file mode 100644
index 0000000..733c14f
--- /dev/null
+++ b/.clang_complete
@@ -0,0 +1,4 @@
+-I /usr/include/SDL/
+-I /usr/include/freetype2/
+-I lib/lua/
+
diff --git a/gfx/spfx/exps.png b/gfx/spfx/exps.png
new file mode 100644
index 0000000000000000000000000000000000000000..e3dfbb8cdb4488d9ffb67796194bbf06304ed387
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diff --git a/src/input.h b/src/input.h
index 02ba676..96ab2fa 100644
--- a/src/input.h
+++ b/src/input.h
@@ -1,5 +1,5 @@
#pragma once
-#include "SDL.h"
+#include <SDL.h>
// Input types.
typedef enum { KEYBIND_NULL, KEYBIND_KEYBOARD, KEYBIND_JAXIS, KEYBIND_JBUTTON } KeybindType;
diff --git a/src/lephisto.c b/src/lephisto.c
index 4e98483..8493d32 100644
--- a/src/lephisto.c
+++ b/src/lephisto.c
@@ -24,6 +24,7 @@
#include "toolkit.h"
#include "pilot.h"
#include "sound.h"
+#include "spfx.h"
#include "music.h"
#define XML_START_ID "Start"
@@ -150,6 +151,7 @@ int main(int argc, char** argv) {
// Data loading.
factions_load();
+ spfx_load();
outfit_load();
ships_load();
fleet_load();
@@ -203,6 +205,7 @@ int main(int argc, char** argv) {
fleet_free();
ships_free();
outfit_free();
+ spfx_free(); // Remove the special effects.
factions_free();
gl_freeFont(&gl_smallFont);
@@ -242,6 +245,7 @@ static void fps_control(void) {
// Update the game.
static void update_space(void) {
weapons_update(dt);
+ spfx_update(dt);
pilots_update(dt);
}
@@ -254,8 +258,8 @@ static void update_space(void) {
// | Back layer weapons.
// X
// N | NPC ships.
-// | Normal layer particles (above ships).
// | Front layer weapons.
+// | Normal layer particles (above ships).
// X
// FG | Player.
// | Foreground particles.
@@ -270,8 +274,10 @@ static void render_space(void) {
// N.
pilots_render();
weapons_render(WEAPON_LAYER_FG);
+ spfx_render(SPFX_LAYER_BACK);
// FG.
player_render();
+ spfx_render(SPFX_LAYER_FRONT);
display_fps(dt);
}
diff --git a/src/menu.c b/src/menu.c
index ae6633b..6ad2da2 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -1,5 +1,5 @@
#include <string.h>
-#include "SDL.h"
+#include <SDL.h>
#include "toolkit.h"
#include "log.h"
diff --git a/src/music.c b/src/music.c
index 897e9c6..da7dd9f 100644
--- a/src/music.c
+++ b/src/music.c
@@ -1,7 +1,7 @@
#include <AL/al.h>
#include <AL/alc.h>
#include <vorbis/vorbisfile.h>
-#include "SDL.h"
+#include <SDL.h>
#include "lephisto.h"
#include "log.h"
diff --git a/src/pause.c b/src/pause.c
index 2ec87c8..221ddec 100644
--- a/src/pause.c
+++ b/src/pause.c
@@ -1,5 +1,6 @@
#include "weapon.h"
#include "pilot.h"
+#include "spfx.h"
#include "pause.h"
// Main thing with pausing is to allow things based on time to
@@ -22,6 +23,7 @@ void pause(void) {
pilots_pause();
weapons_pause();
+ spfx_pause();
paused = 1; // We should unpause it.
}
@@ -31,6 +33,7 @@ void unpause(void) {
pilots_unpause();
weapons_unpause();
+ spfx_unpause();
paused = 0;
}
diff --git a/src/sound.c b/src/sound.c
index 5ccbffb..8fa84a4 100644
--- a/src/sound.c
+++ b/src/sound.c
@@ -1,7 +1,7 @@
#include <sys/stat.h>
#include <AL/alc.h>
-#include "SDL.h"
-#include "SDL_thread.h"
+#include <SDL.h>
+#include <SDL_thread.h>
#include "lephisto.h"
#include "log.h"
diff --git a/src/spfx.c b/src/spfx.c
new file mode 100644
index 0000000..4478673
--- /dev/null
+++ b/src/spfx.c
@@ -0,0 +1,221 @@
+#include <SDL.h>
+
+#include "lephisto.h"
+#include "log.h"
+#include "pilot.h"
+#include "physics.h"
+#include "opengl.h"
+#include "pause.h"
+#include "spfx.h"
+
+#define SPFX_GFX "../gfx/spfx/" // Graphics location.
+#define SPFX_CHUNK 10 // Chunk to allocate when needed.
+
+typedef struct SPFX_Base_ {
+ char* name;
+
+ int anim; // Total duration in ms.
+ glTexture* gfx; // Will use each sprite as a frame.
+} SPFX_Base;
+
+static SPFX_Base* spfx_effects = NULL;
+static int spfx_neffects = 0;
+
+typedef struct SPFX_ {
+ Vec2 pos, vel; // They don't accelerate.
+
+ int lastframe; // Need when pausing.
+ int effect; // Actual effect.
+ unsigned int t; // Start.
+} SPFX;
+
+// Front stack is for effects on player.
+// Back is for everything else.
+static SPFX* spfx_stack_front = NULL;
+static int spfx_nstack_front = 0;
+static int spfx_mstack_front = 0;
+static SPFX* spfx_stack_back = NULL;
+static int spfx_nstack_back = 0;
+static int spfx_mstack_back = 0;
+
+static int spfx_base_load(char* name, int anim, char* gfx, int sx, int sy);
+static void spfx_base_free(SPFX_Base* effect);
+static void spfx_destroy(SPFX* layer, int* nlayer, int spfx);
+static void spfx_update_layer(SPFX* layer, int* nlayer, const double dt);
+static void spfx_pause_layer(SPFX* layer, int nlayer);
+static void spfx_unpause_layer(SPFX* layer, int nlayer);
+
+// Load the SPFX_Base.
+static int spfx_base_load(char* name, int anim, char* gfx, int sx, int sy) {
+ SPFX_Base* cur;
+ char buf[PATH_MAX];
+
+ spfx_effects = realloc(spfx_effects, ++spfx_neffects*sizeof(SPFX_Base));
+ cur = &spfx_effects[spfx_neffects-1];
+
+ cur->name = strdup(name);
+ cur->anim = anim;
+ sprintf(buf, SPFX_GFX"%s", gfx);
+ cur->gfx = gl_newSprite(buf, sx, sy);
+
+ return 0;
+}
+
+static void spfx_base_free(SPFX_Base* effect) {
+ if(effect->name) free(effect->name);
+ if(effect->gfx) gl_freeTexture(effect->gfx);
+}
+
+// Load/Unload.
+int spfx_load(void) {
+ spfx_base_load("ExpS", 600, "exps.png", 6, 5);
+ return 0;
+}
+
+void spfx_free(void) {
+ int i;
+
+ // Get rid of all the particles and free the stacks.
+ spfx_clear();
+ if(spfx_stack_front) free(spfx_stack_front);
+ spfx_stack_front = NULL;
+ spfx_mstack_front = 0;
+ if(spfx_stack_back) free(spfx_stack_back);
+ spfx_stack_back = NULL;
+ spfx_mstack_back = 0;
+
+ for(i = 0; i < spfx_neffects; i++)
+ spfx_base_free(&spfx_effects[i]);
+ free(spfx_effects);
+ spfx_effects = NULL;
+ spfx_neffects = 0;
+}
+
+void spfx_add(int effect, const Vec2* pos, const Vec2* vel, const int layer) {
+ SPFX* cur_spfx;
+
+ if(layer == SPFX_LAYER_FRONT) {
+ // Front layer.
+ if(spfx_mstack_front < spfx_nstack_front+1) {
+ // We need more memory.
+ spfx_mstack_front += SPFX_CHUNK;
+ spfx_stack_front = realloc(spfx_stack_front, spfx_mstack_front*sizeof(SPFX));
+ }
+ cur_spfx = &spfx_stack_front[spfx_nstack_front];
+ spfx_nstack_front++;
+ }
+ else if(layer == SPFX_LAYER_BACK) {
+ // Back layer.
+ if(spfx_mstack_back < spfx_nstack_back+1) {
+ // Need more memory.
+ spfx_mstack_back += SPFX_CHUNK;
+ spfx_stack_back = realloc(spfx_stack_back, spfx_mstack_back*sizeof(SPFX));
+ }
+ cur_spfx = &spfx_stack_back[spfx_nstack_back];
+ spfx_nstack_back++;
+ }
+
+ cur_spfx->effect = effect;
+ vectcpy(&cur_spfx->pos, pos);
+ vectcpy(&cur_spfx->vel, vel);
+ cur_spfx->t = SDL_GetTicks();
+}
+
+void spfx_clear(void) {
+ int i;
+ for(i = spfx_nstack_front-1; i >= 0; i--)
+ spfx_destroy(spfx_stack_front, &spfx_nstack_front, i);
+
+ for(i = spfx_nstack_back-1; i >= 0; i--)
+ spfx_destroy(spfx_stack_back, &spfx_nstack_back, i);
+}
+
+static void spfx_destroy(SPFX* layer, int* nlayer, int spfx) {
+ int i;
+ (*nlayer)--;
+ for(i = spfx; i < *nlayer; i++)
+ memcpy(&layer[i], &layer[i+1], sizeof(SPFX));
+}
+
+void spfx_update(const double dt) {
+ spfx_update_layer(spfx_stack_front, &spfx_nstack_front, dt);
+ spfx_update_layer(spfx_stack_back, &spfx_nstack_back, dt);
+}
+
+static void spfx_update_layer(SPFX* layer, int* nlayer, const double dt) {
+ int i;
+ unsigned int t = SDL_GetTicks();
+
+ for(i = 0; i < *nlayer; i++) {
+ // Time to die!!!
+ if(t > (layer[i].t + spfx_effects[layer[i].effect].anim)) {
+ spfx_destroy(layer, nlayer, i);
+ i--;
+ continue;
+ }
+ // Mkay. Update it now.
+ vect_cadd(&layer[i].pos, dt*VX(layer[i].vel), dt*VY(layer[i].vel));
+ }
+}
+
+void spfx_render(const int layer) {
+ SPFX* spfx_stack;
+ int i, spfx_nstack;
+ SPFX_Base* effect;
+ int sx, sy;
+ unsigned int t = SDL_GetTicks();
+
+ // Get the appropriate layer.
+ switch(layer) {
+ case SPFX_LAYER_FRONT:
+ spfx_stack = spfx_stack_front;
+ spfx_nstack = spfx_nstack_front;
+ break;
+ case SPFX_LAYER_BACK:
+ spfx_stack = spfx_stack_back;
+ spfx_nstack = spfx_nstack_back;
+ break;
+ }
+ for(i = 0; i < spfx_nstack; i++) {
+ effect = &spfx_effects[spfx_stack[i].effect];
+
+ sx = (int)effect->gfx->sx;
+ sy = (int)effect->gfx->sy;
+
+ if(!paused) // Don't calculate frame if paused.
+ spfx_stack[i].lastframe = sx * sy
+ * MIN(((double)(t - spfx_stack[i].t)/(double)effect->anim), 1.);
+
+ gl_blitSprite(effect->gfx,
+ VX(spfx_stack[i].pos), VY(spfx_stack[i].pos),
+ spfx_stack[i].lastframe % sx,
+ spfx_stack[i].lastframe / sx,
+ NULL);
+ }
+}
+
+void spfx_pause(void) {
+ spfx_pause_layer(spfx_stack_front, spfx_nstack_front);
+ spfx_pause_layer(spfx_stack_back, spfx_nstack_back);
+
+}
+
+static void spfx_pause_layer(SPFX* layer, int nlayer) {
+ int i;
+ unsigned int t = SDL_GetTicks();
+ for(i = 0; i < nlayer; i++)
+ layer[i].t -= t;
+}
+
+void spfx_unpause(void) {
+ spfx_unpause_layer(spfx_stack_front, spfx_nstack_front);
+ spfx_unpause_layer(spfx_stack_back, spfx_nstack_back);
+}
+
+static void spfx_unpause_layer(SPFX* layer, int nlayer) {
+ int i;
+ unsigned int t = SDL_GetTicks();
+ for(i = 0; i < nlayer; i++)
+ layer[i].t += t;
+}
+
diff --git a/src/spfx.h b/src/spfx.h
new file mode 100644
index 0000000..c8fd61f
--- /dev/null
+++ b/src/spfx.h
@@ -0,0 +1,22 @@
+#pragma once
+#include "physics.h"
+
+#define SPFX_LAYER_FRONT 0
+#define SPFX_LAYER_BACK 1
+
+void spfx_add(const int effect,
+ const Vec2* pos, const Vec2* vel, const int layer);
+
+// Stack manipulation functions.
+void spfx_update(const double dt);
+void spfx_render(const int layer);
+void spfx_clear(void);
+
+// Load/free.
+int spfx_load(void);
+void spfx_free(void);
+
+// Pause/Unpause routines.
+void spfx_pause(void);
+void spfx_unpause(void);
+
diff --git a/src/toolkit.h b/src/toolkit.h
index 6cfb683..21b2007 100644
--- a/src/toolkit.h
+++ b/src/toolkit.h
@@ -1,5 +1,5 @@
#pragma once
-#include "SDL.h"
+#include <SDL.h>
#include "opengl.h"
#include "font.h"
diff --git a/src/weapon.c b/src/weapon.c
index 4f5c116..7f7c568 100644
--- a/src/weapon.c
+++ b/src/weapon.c
@@ -10,6 +10,7 @@
#include "pilot.h"
#include "collision.h"
#include "player.h"
+#include "spfx.h"
#include "weapon.h"
#define weapon_isSmart(w) (w->think)
@@ -236,8 +237,11 @@ static void weapon_update(Weapon* w, const double dt, WeaponLayer layer) {
// Good shot.
static void weapon_hit(Weapon* w, Pilot* p, WeaponLayer layer) {
// Someone should let the ai know it's been attacked.
- if(!pilot_isPlayer(p))
+ if(!pilot_isPlayer(p)) {
ai_attacked(p, w->parent);
+ spfx_add(0, &w->solid->pos, &p->solid->vel, SPFX_LAYER_BACK);
+ } else
+ spfx_add(0, &w->solid->pos, &p->solid->vel, SPFX_LAYER_FRONT);
if(w->parent == PLAYER_ID)
// Make hostile to player.
pilot_setFlag(p, PILOT_HOSTILE);