| 1 |
/* |
| 2 |
* This file is part of Deliantra, the Roguelike Realtime MMORPG. |
| 3 |
* |
| 4 |
* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 5 |
* Copyright (©) 2002-2003 Mark Wedel & Crossfire Development Team |
| 6 |
* Copyright (©) 1992 Frank Tore Johansen |
| 7 |
* |
| 8 |
* Deliantra is free software: you can redistribute it and/or modify it under |
| 9 |
* the terms of the Affero GNU General Public License as published by the |
| 10 |
* Free Software Foundation, either version 3 of the License, or (at your |
| 11 |
* option) any later version. |
| 12 |
* |
| 13 |
* This program is distributed in the hope that it will be useful, |
| 14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 |
* GNU General Public License for more details. |
| 17 |
* |
| 18 |
* You should have received a copy of the Affero GNU General Public License |
| 19 |
* and the GNU General Public License along with this program. If not, see |
| 20 |
* <http://www.gnu.org/licenses/>. |
| 21 |
* |
| 22 |
* The authors can be reached via e-mail to <support@deliantra.net> |
| 23 |
*/ |
| 24 |
|
| 25 |
/* This file contains animation related code. */ |
| 26 |
|
| 27 |
#include <global.h> |
| 28 |
#include <stdio.h> |
| 29 |
|
| 30 |
static animhash_t animhash; |
| 31 |
std::vector<animation> animations; |
| 32 |
|
| 33 |
void |
| 34 |
animation::resize (int new_size) |
| 35 |
{ |
| 36 |
sfree<faceidx> (faces, num_animations); |
| 37 |
num_animations = new_size; |
| 38 |
faces = salloc<faceidx> (num_animations); |
| 39 |
} |
| 40 |
|
| 41 |
animation & |
| 42 |
animation::create (const char *name, uint8 frames, uint8 facings) |
| 43 |
{ |
| 44 |
if (animations.size () == MAXANIMNUM) |
| 45 |
cleanup ("trying to create new animation, but MAXANIMNUM animations in use."); |
| 46 |
|
| 47 |
animations.push_back (animation ()); |
| 48 |
animation &anim = animations.back (); |
| 49 |
|
| 50 |
anim.number = animations.size () - 1; |
| 51 |
anim.name = name; |
| 52 |
anim.num_animations = frames; |
| 53 |
anim.facings = facings; |
| 54 |
anim.faces = salloc<faceidx> (frames); |
| 55 |
|
| 56 |
animhash.insert (std::make_pair (anim.name, anim.number)); |
| 57 |
|
| 58 |
return anim; |
| 59 |
} |
| 60 |
|
| 61 |
animation & |
| 62 |
animation::find (const char *name) |
| 63 |
{ |
| 64 |
if (!name) |
| 65 |
return animations [0]; |
| 66 |
|
| 67 |
animhash_t::iterator i = animhash.find (name); |
| 68 |
return animations [i == animhash.end () ? 0 : i->second]; |
| 69 |
} |
| 70 |
|
| 71 |
void |
| 72 |
init_anim () |
| 73 |
{ |
| 74 |
animation &anim0 = animation::create ("none", 1, 0); |
| 75 |
anim0.faces [0] = 0; |
| 76 |
} |
| 77 |
|
| 78 |
/* Tries to find the animation id that matches name. Returns an integer match |
| 79 |
* 0 if no match found (animation 0 is initialised as the 'bug' face |
| 80 |
*/ |
| 81 |
//TODO: nuke this function and replace all occurences by animations::find |
| 82 |
int |
| 83 |
find_animation (const char *name) |
| 84 |
{ |
| 85 |
return animation::find (name).number; |
| 86 |
} |
| 87 |
|
| 88 |
/* |
| 89 |
* animate_object(object) updates the face-variable of an object. |
| 90 |
* If the object is the head of a multi-object, all objects are animated. |
| 91 |
* op is the object to animate. |
| 92 |
* dir is the direction the object is facing. This is generally same as |
| 93 |
* op->direction, but in some cases, op->facing is used instead - the |
| 94 |
* caller has a better idea which one it really wants to be using, |
| 95 |
* so let it pass along the right one. |
| 96 |
*/ |
| 97 |
void |
| 98 |
animate_object (object *op, int dir) |
| 99 |
{ |
| 100 |
int max_state; /* Max animation state object should be drawn in */ |
| 101 |
int base_state; /* starting index # to draw from */ |
| 102 |
|
| 103 |
if (!op->animation_id || !NUM_ANIMATIONS (op)) |
| 104 |
{ |
| 105 |
LOG (llevError, "Object %s lacks animation.\n", op->debug_desc ()); |
| 106 |
CLEAR_FLAG (op, FLAG_ANIMATE); |
| 107 |
return; |
| 108 |
} |
| 109 |
|
| 110 |
if (op->head_ () != op) |
| 111 |
{ |
| 112 |
dir = op->head->direction; |
| 113 |
|
| 114 |
if (NUM_ANIMATIONS (op) == NUM_ANIMATIONS (op->head)) |
| 115 |
op->state = op->head->state; |
| 116 |
else |
| 117 |
++op->state; |
| 118 |
} |
| 119 |
else |
| 120 |
++op->state; /* increase draw state */ |
| 121 |
|
| 122 |
/* If object is turning, then max animation state is half through the |
| 123 |
* animations. Otherwise, we can use all the animations. |
| 124 |
*/ |
| 125 |
max_state = NUM_ANIMATIONS (op) / NUM_FACINGS (op); |
| 126 |
base_state = 0; |
| 127 |
/* at least in the older animations that used is_turning, the first half |
| 128 |
* of the animations were left facing, the second half right facing. |
| 129 |
* Note in old the is_turning, it was set so that the animation for a monster |
| 130 |
* was always towards the enemy - now it is whatever direction the monster |
| 131 |
* is facing. |
| 132 |
*/ |
| 133 |
|
| 134 |
if (dir > 0) |
| 135 |
switch (NUM_FACINGS (op)) |
| 136 |
{ |
| 137 |
case 2: base_state = ((dir - 1) / (8 / 2)) * (NUM_ANIMATIONS (op) / 2); break; |
| 138 |
case 4: base_state = ((dir - 1) / (8 / 4)) * (NUM_ANIMATIONS (op) / 4); break; |
| 139 |
case 8: base_state = ((dir - 1) / (8 / 8)) * (NUM_ANIMATIONS (op) / 8); break; |
| 140 |
} |
| 141 |
else |
| 142 |
base_state = 0; |
| 143 |
|
| 144 |
/* If beyond drawable states, reset */ |
| 145 |
if (op->state >= max_state) |
| 146 |
op->state = 0; |
| 147 |
|
| 148 |
SET_ANIMATION (op, op->state + base_state); |
| 149 |
|
| 150 |
if (op->face == blank_face) |
| 151 |
op->invisible = 1; |
| 152 |
|
| 153 |
/* This block covers monsters (eg, pixies) which are supposed to |
| 154 |
* cycle from visible to invisible and back to being visible. |
| 155 |
* as such, disable it for players, as then players would become |
| 156 |
* visible. |
| 157 |
*/ |
| 158 |
else if (op->type != PLAYER && op->arch->flag [FLAG_ALIVE]) |
| 159 |
{ |
| 160 |
if (op->face == 0) |
| 161 |
{ |
| 162 |
op->invisible = 1; |
| 163 |
CLEAR_FLAG (op, FLAG_ALIVE); |
| 164 |
} |
| 165 |
else |
| 166 |
{ |
| 167 |
op->invisible = 0; |
| 168 |
SET_FLAG (op, FLAG_ALIVE); |
| 169 |
} |
| 170 |
} |
| 171 |
|
| 172 |
if (op->more) |
| 173 |
animate_object (op->more, dir); |
| 174 |
|
| 175 |
/* update_object will also recursively update all the pieces. |
| 176 |
* as such, we call it last, and only call it for the head |
| 177 |
* piece, and not for the other tail pieces. |
| 178 |
*/ |
| 179 |
if (op->head_ () == op) |
| 180 |
update_object (op, UP_OBJ_FACE); |
| 181 |
} |
| 182 |
|
