ugBASIC 1.18
An isomorphic BASIC language compiler for retrocomputers
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collision.c
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1/*****************************************************************************
2 * ugBASIC - an isomorphic BASIC language compiler for retrocomputers *
3 *****************************************************************************
4 * Copyright 2021-2026 Marco Spedaletti (asimov@mclink.it)
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *----------------------------------------------------------------------------
18 * Concesso in licenza secondo i termini della Licenza Apache, versione 2.0
19 * (la "Licenza"); è proibito usare questo file se non in conformità alla
20 * Licenza. Una copia della Licenza è disponibile all'indirizzo:
21 *
22 * http://www.apache.org/licenses/LICENSE-2.0
23 *
24 * Se non richiesto dalla legislazione vigente o concordato per iscritto,
25 * il software distribuito nei termini della Licenza è distribuito
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30
31/****************************************************************************
32 * INCLUDE SECTION
33 ****************************************************************************/
34
35#include "../../ugbc.h"
36
37/****************************************************************************
38 * CODE SECTION
39 ****************************************************************************/
40
54/* <usermanual>
55@keyword COLLISION
56
57@english
58
59Verify if a sprite has had a collision with another sprite. If the sprite
60has collided, the function will return TRUE. Otherwise, it will return FALSE.
61
62@italian
63
64Verifica se uno sprite ha avuto una collisione con un altro sprite. In caso
65di collisione, viene restituito TRUE, altrimenti FALSE.
66
67@syntax = COLLISION(sprite)
68
69@example x = COLLISION(1)
70
71@alias HIT
72
73@target c128
74</usermanual> */
75/* <usermanual>
76@keyword HIT
77
78@english
79
80@italian
81
82@alias COLLISION
83
84@target c128
85</usermanual> */
86Variable * collision_to( Environment * _environment, int _sprite ) {
87
88 Variable * sprite = variable_temporary( _environment, VT_BYTE, "(result)" );
89 variable_store( _environment, sprite->name, _sprite );
90 return vic2_collision( _environment, sprite->name );
91
92}
93
107Variable * collision_to_vars( Environment * _environment, char * _sprite ) {
108
109 return vic2_collision( _environment, _sprite );
110
111}
112
Variable * variable_temporary(Environment *_environment, VariableType _type, char *_meaning)
Define a temporary variable.
Variable * variable_store(Environment *_environment, char *_destination, unsigned int _value)
Store a direct value to a variable.
Variable * collision_to(Environment *_environment, int _sprite)
Emit ASM code for = COLLISION([int]x).
Definition collision.c:57
Variable * collision_to_vars(Environment *_environment, char *_sprite)
Emit ASM code for = COLLISION([expression]).
Definition collision.c:79
char * name
Definition ugbc.h:979
struct _Variable Variable
Structure of a single variable.
struct _Environment Environment
Structure of compilation environment.
@ VT_BYTE
Definition ugbc.h:450
Variable * vic2_collision(Environment *_environment, char *_sprite)
VIC-II: emit code to check for collision
Definition vic2.c:563